2025-07-17T09:52:43.945+08:00 WARN 91345 --- [restartedMain] c.a.nacos.client.logging.NacosLogging : Load Logback Configuration of Nacos fail, message: Could not initialize Logback Nacos logging from classpath:nacos-logback.xml 2025-07-17T09:52:43.966+08:00 INFO 91345 --- [restartedMain] c.a.n.c.c.impl.LocalConfigInfoProcessor : LOCAL_SNAPSHOT_PATH:/Users/huazhongmin/nacos/config 2025-07-17T09:52:43.969+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [RpcClientFactory] create a new rpc client of 38220d70-93a7-4397-baf7-a54db250b286_config-0 2025-07-17T09:52:43.985+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Register server push request handler:com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient$$Lambda/0x000000012c32bc18 2025-07-17T09:52:43.985+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Register server push request handler:com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient$$Lambda/0x000000012c32c048 2025-07-17T09:52:43.986+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Registry connection listener to current client:com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient$1 2025-07-17T09:52:43.986+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] RpcClient init, ServerListFactory = com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient$2 2025-07-17T09:52:43.992+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Try to connect to server on start up, server: {serverIp = '127.0.0.1', server main port = 8848} 2025-07-17T09:52:44.022+08:00 INFO 91345 --- [restartedMain] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:44.362+08:00 ERROR 91345 --- [restartedMain] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.start(RpcClient.java:363) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.ensureRpcClient(ClientWorker.java:891) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.getOneRunningClient(ClientWorker.java:1038) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.queryConfig(ClientWorker.java:946) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:403) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:184) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:96) ~[nacos-client-2.2.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:141) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:50) ~[spring-cloud-context-4.0.0.jar:4.0.0] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:46) ~[spring-cloud-context-4.0.0.jar:4.0.0] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) ~[spring-cloud-context-4.0.0.jar:4.0.0] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:603) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:383) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1302) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1291) ~[spring-boot-3.0.2.jar:3.0.2] at com.emotionmuseum.ai.AiApplication.main(AiApplication.java:22) ~[classes/:na] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) ~[spring-boot-devtools-3.0.2.jar:3.0.2] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:44.371+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Try to connect to server on start up, server: {serverIp = '127.0.0.1', server main port = 8848} 2025-07-17T09:52:44.371+08:00 INFO 91345 --- [restartedMain] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:44.375+08:00 ERROR 91345 --- [restartedMain] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.start(RpcClient.java:363) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.ensureRpcClient(ClientWorker.java:891) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.getOneRunningClient(ClientWorker.java:1038) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.queryConfig(ClientWorker.java:946) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:403) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:184) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:96) ~[nacos-client-2.2.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:141) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:50) ~[spring-cloud-context-4.0.0.jar:4.0.0] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:46) ~[spring-cloud-context-4.0.0.jar:4.0.0] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) ~[spring-cloud-context-4.0.0.jar:4.0.0] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:603) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:383) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1302) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1291) ~[spring-boot-3.0.2.jar:3.0.2] at com.emotionmuseum.ai.AiApplication.main(AiApplication.java:22) ~[classes/:na] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) ~[spring-boot-devtools-3.0.2.jar:3.0.2] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:44.383+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Try to connect to server on start up, server: {serverIp = '127.0.0.1', server main port = 8848} 2025-07-17T09:52:44.383+08:00 INFO 91345 --- [restartedMain] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:44.387+08:00 ERROR 91345 --- [restartedMain] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.start(RpcClient.java:363) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.ensureRpcClient(ClientWorker.java:891) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.getOneRunningClient(ClientWorker.java:1038) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker$ConfigRpcTransportClient.queryConfig(ClientWorker.java:946) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:403) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:184) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:96) ~[nacos-client-2.2.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:141) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) ~[spring-cloud-starter-alibaba-nacos-config-2022.0.0.0.jar:2022.0.0.0] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:50) ~[spring-cloud-context-4.0.0.jar:4.0.0] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:46) ~[spring-cloud-context-4.0.0.jar:4.0.0] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) ~[spring-cloud-context-4.0.0.jar:4.0.0] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:603) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:383) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1302) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1291) ~[spring-boot-3.0.2.jar:3.0.2] at com.emotionmuseum.ai.AiApplication.main(AiApplication.java:22) ~[classes/:na] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) ~[spring-boot-devtools-3.0.2.jar:3.0.2] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:44.390+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Try to reconnect to a new server, server is not appointed, will choose a random server. 2025-07-17T09:52:44.390+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$ConnectResetRequestHandler 2025-07-17T09:52:44.390+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:44.390+08:00 INFO 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Register server push request handler:com.alibaba.nacos.common.remote.client.RpcClient$$Lambda/0x000000012c486de8 2025-07-17T09:52:44.393+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:44.418+08:00 INFO 91345 --- [restartedMain] c.a.nacos.client.config.impl.Limiter : limitTime:5.0 2025-07-17T09:52:44.499+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:44.504+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:44.506+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 1 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:44.524+08:00 ERROR 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : Send request fail, request = ConfigQueryRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=6fc9fb41d43c70c89da79a00f13684d2, Client-RequestTS=1752717164391, exConfigInfo=true, notify=false}, requestId='null'}, retryTimes = 0, errorMessage = Client not connected, current status:STARTING 2025-07-17T09:52:44.626+08:00 ERROR 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : Send request fail, request = ConfigQueryRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=6fc9fb41d43c70c89da79a00f13684d2, Client-RequestTS=1752717164391, exConfigInfo=true, notify=false}, requestId='null'}, retryTimes = 1, errorMessage = Client not connected, current status:STARTING 2025-07-17T09:52:44.710+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:44.714+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:44.715+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 2 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:44.732+08:00 ERROR 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : Send request fail, request = ConfigQueryRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=6fc9fb41d43c70c89da79a00f13684d2, Client-RequestTS=1752717164391, exConfigInfo=true, notify=false}, requestId='null'}, retryTimes = 2, errorMessage = Client not connected, current status:STARTING 2025-07-17T09:52:44.732+08:00 WARN 91345 --- [restartedMain] c.a.n.client.config.NacosConfigService : [fixed-127.0.0.1_8848] [get-config] get from server error, dataId=emotion-ai, group=DEFAULT_GROUP, tenant=, msg=ErrCode:-401, ErrMsg:Client not connected, current status:STARTING 2025-07-17T09:52:44.735+08:00 WARN 91345 --- [restartedMain] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[emotion-ai] & group[DEFAULT_GROUP] 2025-07-17T09:52:44.840+08:00 ERROR 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : Send request fail, request = ConfigQueryRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=fa9642a544bcad7c79829e6d7bc0622a, Client-RequestTS=1752717164736, exConfigInfo=true, notify=false}, requestId='null'}, retryTimes = 0, errorMessage = Client not connected, current status:STARTING 2025-07-17T09:52:44.942+08:00 ERROR 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : Send request fail, request = ConfigQueryRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=fa9642a544bcad7c79829e6d7bc0622a, Client-RequestTS=1752717164736, exConfigInfo=true, notify=false}, requestId='null'}, retryTimes = 1, errorMessage = Client not connected, current status:STARTING 2025-07-17T09:52:45.016+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:45.019+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:45.022+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 3 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:45.044+08:00 ERROR 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : Send request fail, request = ConfigQueryRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=fa9642a544bcad7c79829e6d7bc0622a, Client-RequestTS=1752717164736, exConfigInfo=true, notify=false}, requestId='null'}, retryTimes = 2, errorMessage = Client not connected, current status:STARTING 2025-07-17T09:52:45.044+08:00 WARN 91345 --- [restartedMain] c.a.n.client.config.NacosConfigService : [fixed-127.0.0.1_8848] [get-config] get from server error, dataId=emotion-ai.properties, group=DEFAULT_GROUP, tenant=, msg=ErrCode:-401, ErrMsg:Client not connected, current status:STARTING 2025-07-17T09:52:45.044+08:00 WARN 91345 --- [restartedMain] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[emotion-ai.properties] & group[DEFAULT_GROUP] 2025-07-17T09:52:45.149+08:00 ERROR 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : Send request fail, request = ConfigQueryRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=413bf7f37e696b7185fa64e25946b03b, Client-RequestTS=1752717165044, exConfigInfo=true, notify=false}, requestId='null'}, retryTimes = 0, errorMessage = Client not connected, current status:STARTING 2025-07-17T09:52:45.250+08:00 ERROR 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : Send request fail, request = ConfigQueryRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=413bf7f37e696b7185fa64e25946b03b, Client-RequestTS=1752717165044, exConfigInfo=true, notify=false}, requestId='null'}, retryTimes = 1, errorMessage = Client not connected, current status:STARTING 2025-07-17T09:52:45.356+08:00 ERROR 91345 --- [restartedMain] com.alibaba.nacos.common.remote.client : Send request fail, request = ConfigQueryRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=413bf7f37e696b7185fa64e25946b03b, Client-RequestTS=1752717165044, exConfigInfo=true, notify=false}, requestId='null'}, retryTimes = 2, errorMessage = Client not connected, current status:STARTING 2025-07-17T09:52:45.356+08:00 WARN 91345 --- [restartedMain] c.a.n.client.config.NacosConfigService : [fixed-127.0.0.1_8848] [get-config] get from server error, dataId=emotion-ai-local.properties, group=DEFAULT_GROUP, tenant=, msg=ErrCode:-401, ErrMsg:Client not connected, current status:STARTING 2025-07-17T09:52:45.357+08:00 WARN 91345 --- [restartedMain] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[emotion-ai-local.properties] & group[DEFAULT_GROUP] 2025-07-17T09:52:45.358+08:00 INFO 91345 --- [restartedMain] b.c.PropertySourceBootstrapConfiguration : Located property source: [BootstrapPropertySource {name='bootstrapProperties-emotion-ai-local.properties,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-emotion-ai.properties,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-emotion-ai,DEFAULT_GROUP'}] 2025-07-17T09:52:45.372+08:00 WARN 91345 --- [restartedMain] c.a.nacos.client.logging.NacosLogging : Load Logback Configuration of Nacos fail, message: Could not initialize Logback Nacos logging from classpath:nacos-logback.xml 2025-07-17T09:52:45.373+08:00 INFO 91345 --- [restartedMain] com.emotionmuseum.ai.AiApplication : The following 1 profile is active: "local" 2025-07-17T09:52:45.426+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:45.429+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:45.430+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 4 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:45.933+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:45.935+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:45.937+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 5 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:46.011+08:00 INFO 91345 --- [restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode 2025-07-17T09:52:46.012+08:00 INFO 91345 --- [restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode. 2025-07-17T09:52:46.028+08:00 INFO 91345 --- [restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 7 ms. Found 0 Redis repository interfaces. 2025-07-17T09:52:46.225+08:00 INFO 91345 --- [restartedMain] o.s.cloud.context.scope.GenericScope : BeanFactory id=a64c12c2-cc87-37ee-ad61-c62787ae562e 2025-07-17T09:52:46.541+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:46.543+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:46.545+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 6 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:46.801+08:00 INFO 91345 --- [restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 19002 (http) 2025-07-17T09:52:46.808+08:00 INFO 91345 --- [restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2025-07-17T09:52:46.808+08:00 INFO 91345 --- [restartedMain] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.5] 2025-07-17T09:52:46.850+08:00 INFO 91345 --- [restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2025-07-17T09:52:46.851+08:00 INFO 91345 --- [restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1458 ms 2025-07-17T09:52:46.956+08:00 DEBUG 91345 --- [restartedMain] o.s.w.f.ServerHttpObservationFilter : Filter 'serverHttpObservationFilter' configured for use 2025-07-17T09:52:47.223+08:00 INFO 91345 --- [restartedMain] c.e.common.config.SnowflakeConfig : 使用MAC地址生成的机器ID: 523 2025-07-17T09:52:47.223+08:00 INFO 91345 --- [restartedMain] c.e.common.config.SnowflakeConfig : 雪花算法配置完成，使用机器ID: 523 2025-07-17T09:52:47.224+08:00 INFO 91345 --- [restartedMain] c.e.common.util.SnowflakeIdGenerator : 雪花算法ID生成器初始化完成，机器ID: 523 2025-07-17T09:52:47.231+08:00 DEBUG 91345 --- [restartedMain] c.b.m.e.s.MybatisSqlSessionFactoryBean : Registered plugin: 'com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor@71dd77f1' 2025-07-17T09:52:47.231+08:00 DEBUG 91345 --- [restartedMain] c.b.m.e.s.MybatisSqlSessionFactoryBean : Property 'mapperLocations' was not specified. 2025-07-17T09:52:47.250+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:47.255+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:47.257+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 7 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:47.632+08:00 DEBUG 91345 --- [restartedMain] s.w.s.m.m.a.RequestMappingHandlerAdapter : ControllerAdvice beans: 0 @ModelAttribute, 0 @InitBinder, 1 RequestBodyAdvice, 1 ResponseBodyAdvice 2025-07-17T09:52:47.695+08:00 DEBUG 91345 --- [restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : 25 mappings in 'requestMappingHandlerMapping' 2025-07-17T09:52:47.712+08:00 DEBUG 91345 --- [restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Patterns [/webjars/**, /**] in 'resourceHandlerMapping' 2025-07-17T09:52:47.719+08:00 DEBUG 91345 --- [restartedMain] .m.m.a.ExceptionHandlerExceptionResolver : ControllerAdvice beans: 0 @ExceptionHandler, 1 ResponseBodyAdvice 2025-07-17T09:52:48.060+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:48.062+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:48.063+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 8 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:48.365+08:00 WARN 91345 --- [restartedMain] o.s.b.d.a.OptionalLiveReloadServer : Unable to start LiveReload server 2025-07-17T09:52:48.399+08:00 INFO 91345 --- [restartedMain] o.s.b.a.e.web.EndpointLinksResolver : Exposing 4 endpoint(s) beneath base path '/actuator' 2025-07-17T09:52:48.451+08:00 INFO 91345 --- [restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 19002 (http) with context path '' 2025-07-17T09:52:48.470+08:00 INFO 91345 --- [restartedMain] com.emotionmuseum.ai.AiApplication : Started AiApplication in 5.27 seconds (process running for 5.664) 2025-07-17T09:52:48.966+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:48.970+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:48.972+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 9 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:49.976+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:49.981+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:49.983+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 10 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:51.086+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:51.091+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:51.093+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 11 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:52.299+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:52.302+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:52.303+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 12 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:53.608+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:53.611+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:53.613+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 13 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:55.017+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:55.023+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:55.025+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 14 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:56.526+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:56.531+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:56.533+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 15 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:58.137+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:58.147+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:58.149+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 16 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:52:59.853+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:52:59.857+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:52:59.859+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 17 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:01.663+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:01.668+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:01.670+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 18 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:03.573+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:03.578+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:03.580+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 19 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:05.583+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:05.587+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:05.590+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 20 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:07.693+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:07.697+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:07.699+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 21 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:09.902+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:09.906+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:09.908+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 22 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:12.212+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:12.215+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:12.217+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 23 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:14.617+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:14.621+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:14.622+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 24 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:17.126+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:17.130+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:17.132+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 25 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:19.736+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:19.741+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:19.743+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 26 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:22.444+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:22.449+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:22.452+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 27 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:25.257+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:25.262+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:25.264+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 28 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:28.166+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:28.171+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:28.173+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 29 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:31.177+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:31.181+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:31.182+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 30 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:34.286+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:34.291+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:34.293+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 31 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:37.496+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:37.500+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:37.502+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 32 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:40.806+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:40.810+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:40.811+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 33 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:44.215+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:44.219+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:44.221+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 34 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:47.726+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:47.729+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:47.730+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 35 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:51.334+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:51.339+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:51.341+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 36 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:55.045+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:55.051+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:55.053+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 37 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:53:58.857+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:53:58.861+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:53:58.863+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 38 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:02.765+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:02.769+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:02.771+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 39 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:06.776+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:06.780+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:06.782+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 40 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:10.885+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:10.888+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:10.890+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 41 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:15.093+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:15.097+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:15.098+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 42 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:19.402+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:19.405+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:19.406+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 43 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:23.811+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:23.814+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:23.816+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 44 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:28.321+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:28.326+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:28.328+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 45 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:32.932+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:32.935+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:32.936+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 46 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:37.640+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:37.643+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:37.644+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 47 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:42.448+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:42.452+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:42.454+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 48 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:47.359+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:47.363+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:47.365+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 49 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:52.367+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:52.371+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:52.372+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 50 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:54:57.375+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:54:57.378+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:54:57.379+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 51 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:02.383+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:02.386+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:02.387+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 52 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:07.388+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:07.391+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:07.393+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 53 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:12.397+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:12.400+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:12.401+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 54 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:17.404+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:17.406+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:17.408+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 55 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:22.412+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:22.415+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:22.416+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 56 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:27.421+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:27.424+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:27.426+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 57 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:32.430+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:32.434+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:32.437+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 58 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:37.441+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:37.446+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:37.448+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 59 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:42.452+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:42.456+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:42.458+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 60 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:47.463+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:47.468+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:47.469+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 61 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:52.473+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:52.478+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:52.480+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 62 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:55:57.484+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:55:57.488+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:55:57.489+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 63 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:02.492+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:02.496+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:02.498+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 64 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:07.499+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:07.503+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:07.506+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 65 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:12.509+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:12.512+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:12.513+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 66 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:17.514+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:17.517+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:17.521+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 67 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:22.525+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:22.529+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:22.531+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 68 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:27.535+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:27.539+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:27.542+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 69 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:32.547+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:32.550+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:32.551+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 70 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:37.557+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:37.562+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:37.564+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 71 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:42.568+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:42.572+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:42.574+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 72 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:47.577+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:47.582+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:47.584+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 73 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:52.588+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:52.591+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:52.593+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 74 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:56:57.598+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:56:57.602+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:56:57.619+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 75 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:02.619+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:02.622+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:02.623+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 76 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:07.628+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:07.631+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:07.632+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 77 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:12.636+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:12.640+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:12.643+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 78 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:17.647+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:17.652+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:17.654+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 79 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:22.658+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:22.662+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:22.664+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 80 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:27.666+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:27.671+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:27.672+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 81 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:32.676+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:32.680+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:32.681+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 82 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:37.684+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:37.688+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:37.689+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 83 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:42.693+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:42.695+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:42.702+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 84 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:47.706+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:47.709+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:47.710+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 85 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:52.714+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:52.719+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:52.720+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 86 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:57:57.724+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:57:57.727+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:57:57.728+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 87 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:02.733+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:02.736+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:02.737+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 88 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:07.741+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:07.746+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:07.748+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 89 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:12.753+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:12.756+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:12.757+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 90 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:17.762+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:17.765+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:17.766+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 91 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:22.771+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:22.773+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:22.775+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 92 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:27.780+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:27.783+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:27.784+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 93 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:32.788+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:32.791+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:32.793+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 94 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:37.795+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:37.798+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:37.799+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 95 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:42.803+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:42.807+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:42.808+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 96 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:47.812+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:47.815+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:47.816+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 97 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:52.818+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:52.823+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:52.825+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 98 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:58:57.828+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:58:57.831+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:58:57.832+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 99 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:02.839+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:02.841+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:02.843+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 100 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:07.861+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:07.869+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:07.879+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 101 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:12.885+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:12.887+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:12.889+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 102 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:17.891+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:17.894+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:17.896+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 103 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:22.897+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:22.901+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:22.903+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 104 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:27.908+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:27.921+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:27.923+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 105 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:32.927+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:32.931+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:32.933+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 106 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:37.935+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:37.937+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:37.939+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 107 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:42.942+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:42.945+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:42.946+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 108 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:47.951+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:47.957+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:47.960+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 109 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:52.962+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:52.965+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:52.966+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 110 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T09:59:57.971+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T09:59:57.974+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T09:59:57.975+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 111 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:02.979+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:02.982+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:02.984+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 112 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:07.986+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:07.989+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:07.990+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 113 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:12.994+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:12.997+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:13.000+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 114 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:18.005+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:18.008+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:18.010+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 115 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:23.015+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:23.020+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:23.022+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 116 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:28.022+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:28.026+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:28.028+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 117 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:33.032+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:33.035+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:33.038+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 118 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:38.042+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:38.046+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:38.049+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 119 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:43.051+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:43.055+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:43.056+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 120 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:48.058+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:48.061+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:48.062+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 121 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:53.065+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:53.070+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:53.072+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 122 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:00:58.076+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:00:58.079+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:00:58.082+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 123 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:03.088+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:03.094+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:03.095+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 124 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:08.097+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:08.117+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:08.118+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 125 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:13.121+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:13.124+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:13.126+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 126 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:18.130+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:18.134+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:18.137+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 127 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:23.142+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:23.148+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:23.149+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 128 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:28.154+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:28.158+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:28.160+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 129 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:33.164+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:33.170+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:33.172+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 130 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:38.177+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:38.189+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:38.192+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 131 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:43.197+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:43.201+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:43.203+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 132 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:48.208+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:48.211+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:48.212+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 133 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:53.216+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:53.220+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:53.222+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 134 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:01:58.226+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:01:58.229+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:01:58.230+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 135 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:03.234+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:03.237+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:03.239+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 136 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:08.243+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:08.246+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:08.247+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 137 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:13.248+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:13.251+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:13.252+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 138 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:18.253+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:18.256+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:18.257+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 139 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:23.261+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:23.264+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:23.265+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 140 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:28.270+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:28.273+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:28.274+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 141 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:33.279+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:33.281+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:33.283+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 142 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:38.286+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:38.289+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:38.290+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 143 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:43.293+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:43.296+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:43.298+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 144 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:48.301+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:48.303+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:48.304+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 145 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:53.309+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:53.311+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:53.313+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 146 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:02:58.335+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:02:58.344+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:02:58.346+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 147 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:03.347+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:03.352+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:03.354+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 148 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:08.357+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:08.360+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:08.361+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 149 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:13.365+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:13.368+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:13.369+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 150 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:18.370+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:18.375+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:18.392+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 151 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:23.397+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:23.400+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:23.401+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 152 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:28.405+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:28.408+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:28.409+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 153 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:33.413+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:33.417+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:33.418+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 154 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:38.422+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:38.426+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:38.428+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 155 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:43.431+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:43.436+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:43.438+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 156 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:48.442+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:48.446+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:48.449+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 157 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:53.452+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:53.455+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:53.456+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 158 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:03:58.461+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:03:58.465+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:03:58.467+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 159 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:03.469+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:03.472+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:03.474+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 160 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:08.477+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:08.480+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:08.481+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 161 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:13.485+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:13.488+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:13.489+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 162 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:18.494+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:18.497+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:18.498+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 163 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:23.502+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:23.505+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:23.507+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 164 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:28.510+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:28.514+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:28.516+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 165 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:33.519+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:33.523+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:33.525+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 166 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:38.525+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:38.529+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:38.531+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 167 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:43.533+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:43.536+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:43.538+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 168 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:48.539+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:48.544+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:48.546+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 169 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:53.550+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:53.553+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:53.554+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 170 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:04:58.559+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:04:58.563+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:04:58.565+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 171 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:03.566+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:03.569+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:03.570+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 172 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:08.574+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:08.578+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:08.579+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 173 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:13.583+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:13.587+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:13.589+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 174 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:18.593+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:18.597+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:18.599+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 175 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:23.601+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:23.604+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:23.605+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 176 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:28.610+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:28.613+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:28.614+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 177 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:33.618+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:33.621+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:33.623+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 178 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:38.626+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:38.629+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:38.630+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 179 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:43.632+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:43.636+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:43.638+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 180 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:48.639+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:48.644+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:48.646+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 181 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:53.651+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:53.654+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:53.655+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 182 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:05:58.659+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:05:58.664+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:05:58.666+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 183 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:03.670+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:03.673+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:03.674+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 184 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:08.677+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:08.681+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:08.683+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 185 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:13.686+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:13.689+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:13.691+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 186 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:18.692+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:18.695+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:18.697+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 187 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:23.700+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:23.704+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:23.705+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 188 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:28.708+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:28.712+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:28.714+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 189 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:33.717+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:33.720+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:33.722+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 190 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:38.725+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:38.729+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:38.731+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 191 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:43.732+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:43.736+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:43.737+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 192 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:48.741+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:48.744+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:48.745+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 193 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:53.750+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:53.756+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:53.758+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 194 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:06:58.758+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:06:58.763+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:06:58.765+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 195 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:03.770+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:03.773+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:03.775+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 196 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:08.778+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:08.783+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:08.785+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 197 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:13.789+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:13.794+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:13.796+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 198 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:18.800+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:18.803+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:18.804+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 199 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:23.808+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:23.811+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:23.813+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 200 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:28.816+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:28.819+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:28.820+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 201 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:33.821+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:33.824+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:33.825+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 202 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:38.829+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:38.833+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:38.835+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 203 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:43.839+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:43.844+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:43.846+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 204 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:48.850+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:48.854+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:48.855+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 205 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:53.859+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:53.863+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:53.865+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 206 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:07:58.867+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:07:58.869+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:07:58.870+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 207 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:03.875+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:03.881+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:03.883+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 208 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:08.887+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:08.892+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:08.895+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 209 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:13.899+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:13.903+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:13.904+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 210 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:18.906+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:18.911+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:18.913+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 211 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:23.918+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:23.921+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:23.922+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 212 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:28.926+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:28.929+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:28.931+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 213 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:33.932+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:33.936+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:33.937+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 214 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:38.942+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:38.945+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:38.946+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 215 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:43.949+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:43.954+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:43.955+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 216 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:48.959+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:48.963+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:48.964+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 217 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:53.965+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:53.969+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:53.971+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 218 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:08:58.975+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:08:58.979+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:08:58.981+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 219 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:03.986+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:03.990+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:03.992+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 220 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:08.996+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:08.999+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:09.000+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 221 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:14.001+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:14.005+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:14.006+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 222 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:19.010+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:19.016+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:19.018+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 223 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:24.019+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:24.022+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:24.023+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 224 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:29.029+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:29.033+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:29.035+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 225 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:34.039+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:34.043+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:34.044+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 226 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:39.048+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:39.052+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:39.053+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 227 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:44.056+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:44.061+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:44.063+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 228 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:49.068+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:49.071+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:49.072+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 229 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:54.077+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:54.081+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:54.083+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 230 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:09:59.087+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:09:59.092+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:09:59.094+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 231 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:04.098+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:04.102+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:04.103+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 232 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:09.106+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:09.110+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:09.112+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 233 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:14.115+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:14.119+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:14.121+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 234 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:19.124+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:19.128+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:19.130+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 235 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:24.131+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:24.135+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:24.137+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 236 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:29.142+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:29.146+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:29.148+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 237 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:34.150+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:34.154+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:34.156+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 238 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:39.161+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:39.165+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:39.167+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 239 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:44.169+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:44.174+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:44.175+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 240 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:49.180+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:49.184+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:49.185+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 241 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:54.187+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:54.191+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:54.193+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 242 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:10:59.197+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:10:59.201+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:10:59.202+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 243 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:04.205+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:04.210+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:04.212+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 244 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:09.215+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:09.218+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:09.220+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 245 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:14.221+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:14.223+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:14.225+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 246 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:19.229+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:19.233+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:19.234+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 247 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:24.238+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:24.242+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:24.243+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 248 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:29.248+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:29.251+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:29.253+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 249 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:34.256+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:34.259+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:34.261+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 250 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:39.265+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:39.269+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:39.270+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 251 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:44.275+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:44.281+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:44.282+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 252 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:49.288+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:49.292+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:49.295+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 253 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:54.299+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:54.302+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:54.304+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 254 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:11:59.308+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:11:59.312+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:11:59.314+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 255 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:04.316+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:04.318+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:04.320+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 256 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:09.324+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:09.328+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:09.330+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 257 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:14.334+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:14.337+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:14.339+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 258 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:19.343+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:19.346+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:19.347+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 259 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:24.350+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:24.352+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:24.353+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 260 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:29.357+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:29.362+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:29.364+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 261 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:34.367+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:34.378+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:34.379+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 262 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:39.384+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:39.387+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:39.388+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 263 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:44.393+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:44.397+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:44.398+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 264 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:49.399+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:49.404+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:49.406+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 265 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:54.410+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:54.414+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:54.416+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 266 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:12:59.420+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:12:59.423+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:12:59.424+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 267 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:04.427+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:04.430+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:04.432+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 268 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:09.437+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:09.441+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:09.442+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 269 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:14.447+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:14.450+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:14.452+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 270 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:19.456+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:19.458+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:19.460+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 271 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:24.463+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:24.466+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:24.468+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 272 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:29.470+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:29.472+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:29.473+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 273 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:34.476+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:34.480+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:34.482+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 274 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:39.487+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:39.490+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:39.491+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 275 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:44.495+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:44.499+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:44.500+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 276 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:49.502+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:49.507+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:49.509+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 277 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:54.516+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:54.519+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:54.520+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 278 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:13:59.526+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:13:59.531+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:13:59.533+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 279 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:04.539+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:04.542+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:04.543+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 280 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:09.548+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:09.551+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:09.552+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 281 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:14.556+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:14.560+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:14.562+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 282 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:19.567+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:19.572+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:19.574+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 283 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:24.576+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:24.580+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:24.581+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 284 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:29.586+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:29.590+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:29.591+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 285 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:34.593+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:34.596+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:34.598+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 286 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:39.601+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:39.605+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:39.606+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 287 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:44.610+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:44.613+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:44.614+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 288 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:49.619+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:49.624+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:49.626+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 289 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:54.629+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:54.634+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:54.636+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 290 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:14:59.641+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:14:59.645+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:14:59.647+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 291 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:04.651+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:04.655+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:04.656+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 292 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:09.660+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:09.662+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:09.664+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 293 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:14.669+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:14.673+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:14.675+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 294 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:19.680+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:19.683+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:19.684+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 295 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:24.688+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:24.692+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:24.694+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 296 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:29.697+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:29.701+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:29.703+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 297 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:34.707+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:34.711+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:34.712+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 298 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:39.715+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:39.718+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:39.719+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 299 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:44.724+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:44.728+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:44.730+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 300 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:49.734+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:49.739+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:49.741+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 301 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:54.743+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:54.746+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:54.747+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 302 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:15:59.747+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:15:59.751+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:15:59.753+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 303 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:04.756+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:04.759+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:04.760+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 304 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:09.762+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:09.766+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:09.767+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 305 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:14.771+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:14.775+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:14.777+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 306 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:19.780+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:19.784+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:19.786+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 307 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:24.790+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:24.794+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:24.797+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 308 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:29.808+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:29.812+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:29.814+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 309 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:34.818+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:34.821+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:34.824+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 310 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:39.827+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:39.831+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:39.833+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 311 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:44.834+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:44.842+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:44.845+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 312 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:49.902+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:49.907+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:49.908+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 313 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:16:54.913+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:16:54.998+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:16:55.008+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 314 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:00.011+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:00.016+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:00.018+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 315 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:05.022+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:05.027+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:05.029+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 316 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:10.030+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:10.034+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:10.037+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 317 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:15.041+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:15.046+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:15.048+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 318 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:20.052+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:20.057+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:20.059+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 319 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:25.059+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:25.066+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:25.070+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 320 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:30.073+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:30.077+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:30.080+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 321 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:35.080+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:35.088+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:35.091+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 322 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:40.095+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:40.099+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:40.101+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 323 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:45.104+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:45.109+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:45.112+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 324 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:50.113+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:50.117+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:50.119+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 325 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:17:55.122+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:17:55.127+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:17:55.130+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 326 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:18:00.130+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:18:00.135+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:18:00.137+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 327 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:18:05.141+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:18:05.146+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:18:05.149+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 328 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:18:10.153+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:18:10.158+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:18:10.160+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 329 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:18:15.165+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : grpc client connection server:127.0.0.1 ip,serverPort:9848,grpcTslConfig:{"sslProvider":"OPENSSL","enableTls":false,"mutualAuthEnable":false,"trustAll":false} 2025-07-17T10:18:15.170+08:00 ERROR 91345 --- [com.alibaba.nacos.client.remote.worker] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 127.0.0.1 ,port 9848 is available , error ={} java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:218) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:329) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.reconnect(RpcClient.java:502) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.common.remote.client.RpcClient.lambda$start$2(RpcClient.java:343) ~[nacos-client-2.2.1.jar:na] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] Caused by: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.alibaba.nacos.shaded.io.grpc.Status.asRuntimeException(Status.java:539) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:471) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:435) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:468) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[nacos-client-2.2.1.jar:na] ... 3 common frames omitted Caused by: com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9848 Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na] at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:1062) ~[na:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:337) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[nacos-client-2.2.1.jar:na] at com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[nacos-client-2.2.1.jar:na] at java.base/java.lang.Thread.run(Thread.java:1575) ~[na:na] 2025-07-17T10:18:15.200+08:00 INFO 91345 --- [com.alibaba.nacos.client.remote.worker] com.alibaba.nacos.common.remote.client : [38220d70-93a7-4397-baf7-a54db250b286_config-0] Fail to connect server, after trying 330 times, last try server is {serverIp = '127.0.0.1', server main port = 8848}, error = unknown 2025-07-17T10:18:18.295+08:00 WARN 91345 --- [Thread-10] c.a.nacos.common.notify.NotifyCenter : [NotifyCenter] Start destroying Publisher 2025-07-17T10:18:18.295+08:00 WARN 91345 --- [Thread-10] c.a.nacos.common.notify.NotifyCenter : [NotifyCenter] Destruction of the end 2025-07-17T10:18:18.296+08:00 WARN 91345 --- [Thread-4] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Start destroying common HttpClient 2025-07-17T10:18:18.297+08:00 WARN 91345 --- [Thread-4] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Destruction of the end