[GitHub] [dubbo] leimbag edited a comment on issue #9623: Consumer always reconnect destroyed provider

Tue, 25 Jan 2022 01:46:40 -0800 


leimbag edited a comment on issue #9623:
URL: https://github.com/apache/dubbo/issues/9623#issuecomment-1020995222


   dubbo-user-service停机日志
   
   ```
   dubbo-user-service优雅停机日志
   
   
   2022-01-25 17:42:59,324 [INFO] 
[DubboServerHandler-172.16.204.201:29801-thread-6raceId] 
(DubboServerHandler-172.16.204.201:29801-thread-6) 
c.l.d.c.f.GrayHeaderProviderFilter.invoke:34 - [服务提供者]灰度头过滤, attHeader=null, 
tagHeader=null, holderHeader=null, 
interface=com.leimbag.dubbo.user.service.UserService, serviceName=null, 
methodName=getUserNameByShutdown
   Disconnected from the target VM, address: '127.0.0.1:62312', transport: 
'socket'
   2022-01-25 17:43:01,887 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.DubboShutdownHook.run:59 -  [DUBBO] Run shutdown hook now., dubbo 
version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:01,888 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.m.FrameworkModel.resetDefaultAppModel:277 -  [DUBBO] Reset global 
default application from Dubbo Application[1.1](dubbo-user-service) to null, 
dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:01,889 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.d.DefaultApplicationDeployer.onStopping:1063 -  [DUBBO] Dubbo 
Application[1.1](dubbo-user-service) is stopping., dubbo version: 3.0.5, 
current host: 172.16.204.201
   2022-01-25 17:43:01,902 [INFO] [SpringApplicationShutdownHookraceId] 
(SpringApplicationShutdownHook) 
o.a.d.c.d.DefaultModuleDeployer.onModuleStopping:285 -  [DUBBO] Dubbo 
Module[1.1.1] is stopping., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:01,907 [INFO] [SpringApplicationShutdownHookraceId] 
(SpringApplicationShutdownHook) 
o.a.d.r.c.ServiceDiscoveryRegistry.doUnregister:191 -  [DUBBO] The 
URL[dubbo://172.16.204.201:29801/com.leimbag.dubbo.user.service.UserService?anyhost=true&application=dubbo-user-service&background=false&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=com.leimbag.dubbo.user.service.UserService&metadata-type=remote&methods=getUserNameByShutdown,getUserName,getWalletBalance&pid=77991&release=3.0.5&service-name-mapping=true&side=provider&timeout=60000&timestamp=1643102988753]
 deregistered successfully., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:01,909 [INFO] [SpringApplicationShutdownHookraceId] 
(SpringApplicationShutdownHook) o.a.d.r.n.NacosRegistry.unregister:309 -  
[DUBBO] Unregister: 
dubbo://172.16.204.201:29801/com.leimbag.dubbo.user.service.UserService?anyhost=true&application=dubbo-user-service&background=false&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=com.leimbag.dubbo.user.service.UserService&metadata-type=remote&methods=getUserNameByShutdown,getUserName,getWalletBalance&pid=77991&release=3.0.5&service-name-mapping=true&side=provider&timeout=60000&timestamp=1643102988753,
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:01,911 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.d.DefaultModuleDeployer.onModuleStopping:285 -  [DUBBO] Dubbo 
Module[1.1.0] is stopping., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:01,917 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.d.DefaultModuleDeployer.onModuleStopped:295 -  [DUBBO] Dubbo 
Module[1.1.0] has stopped., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:01,922 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.s.RegistryManager.destroyAll:98 -  [DUBBO] Close all registries 
[nacos://10.202.0.52:8992/org.apache.dubbo.registry.RegistryService?application=dubbo-user-service&dubbo=2.0.2&interface=org.apache.dubbo.registry.RegistryService&namespace=service-dev&pid=77991&qos.enable=false&release=3.0.5,
 
nacos://10.202.0.52:8992/org.apache.dubbo.registry.RegistryService?application=dubbo-user-service&dubbo=2.0.2&interface=org.apache.dubbo.registry.RegistryService&namespace=service-dev&pid=77991&qos.enable=false&release=3.0.5],
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:01,922 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.n.NacosRegistry.destroy:482 -  [DUBBO] Destroy 
registry:nacos://10.202.0.52:8992/org.apache.dubbo.registry.RegistryService?application=dubbo-user-service&dubbo=2.0.2&interface=org.apache.dubbo.registry.RegistryService&namespace=service-dev&pid=77991&qos.enable=false&release=3.0.5,
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,156 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.n.NacosRegistry.destroy:491 -  [DUBBO] Destroy unregister url 
dubbo://172.16.204.201/com.leimbag.dubbo.wallet.service.WalletService?application=dubbo-user-service&background=false&category=consumers&check=false&dubbo=2.0.2&interface=com.leimbag.dubbo.wallet.service.WalletService&metadata-type=remote&methods=getWallet&pid=77991&qos.enable=false&release=3.0.5&side=consumer&sticky=false&timeout=60000&timestamp=1643102990635,
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,157 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.n.NacosRegistry.unsubscribe:339 -  [DUBBO] Unsubscribe: 
provider://172.16.204.201:29801/com.leimbag.dubbo.user.service.UserService?anyhost=true&application=dubbo-user-service&background=false&bind.ip=172.16.204.201&bind.port=29801&category=configurators&check=false&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=com.leimbag.dubbo.user.service.UserService&metadata-type=remote&methods=getUserNameByShutdown,getUserName,getWalletBalance&pid=77991&qos.enable=false&release=3.0.5&service-name-mapping=true&side=provider&timeout=60000&timestamp=1643102988753,
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,157 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.n.NacosRegistry.destroy:507 -  [DUBBO] Destroy unsubscribe url 
provider://172.16.204.201:29801/com.leimbag.dubbo.user.service.UserService?anyhost=true&application=dubbo-user-service&background=false&bind.ip=172.16.204.201&bind.port=29801&category=configurators&check=false&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=com.leimbag.dubbo.user.service.UserService&metadata-type=remote&methods=getUserNameByShutdown,getUserName,getWalletBalance&pid=77991&qos.enable=false&release=3.0.5&service-name-mapping=true&side=provider&timeout=60000&timestamp=1643102988753,
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,157 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.n.NacosRegistry.unsubscribe:339 -  [DUBBO] Unsubscribe: 
dubbo://172.16.204.201/com.leimbag.dubbo.wallet.service.WalletService?application=dubbo-user-service&background=false&category=providers,configurators,routers&check=false&dubbo=2.0.2&interface=com.leimbag.dubbo.wallet.service.WalletService&metadata-type=remote&methods=getWallet&pid=77991&qos.enable=false&release=3.0.5&side=consumer&sticky=false&timeout=60000&timestamp=1643102990635,
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,158 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.n.NacosRegistry.destroy:507 -  [DUBBO] Destroy unsubscribe url 
dubbo://172.16.204.201/com.leimbag.dubbo.wallet.service.WalletService?application=dubbo-user-service&background=false&category=providers,configurators,routers&check=false&dubbo=2.0.2&interface=com.leimbag.dubbo.wallet.service.WalletService&metadata-type=remote&methods=getWallet&pid=77991&qos.enable=false&release=3.0.5&side=consumer&sticky=false&timeout=60000&timestamp=1643102990635,
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,159 [INFO] [SpringApplicationShutdownHookraceId] 
(SpringApplicationShutdownHook) o.a.d.r.n.NacosRegistry.unsubscribe:339 -  
[DUBBO] Unsubscribe: 
dubbo://172.16.204.201/com.leimbag.dubbo.wallet.service.WalletService?application=dubbo-user-service&background=false&category=providers,configurators,routers&check=false&dubbo=2.0.2&interface=com.leimbag.dubbo.wallet.service.WalletService&metadata-type=remote&methods=getWallet&pid=77991&qos.enable=false&release=3.0.5&side=consumer&sticky=false&timeout=60000&timestamp=1643102990635,
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,166 [INFO] [SpringApplicationShutdownHookraceId] 
(SpringApplicationShutdownHook) o.a.d.r.t.n.NettyChannel.close:201 -  [DUBBO] 
Close netty channel [id: 0xe0e1a277, L:/172.16.204.201:63205 - 
R:/172.16.204.201:29811], dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,168 [INFO] [NettyClientWorker-4-3raceId] 
(NettyClientWorker-4-3) o.a.d.r.t.n.NettyClientHandler.channelInactive:76 -  
[DUBBO] The connection of /172.16.204.201:63205 -> /172.16.204.201:29811 is 
disconnected., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,172 [INFO] [SpringApplicationShutdownHookraceId] 
(SpringApplicationShutdownHook) 
o.a.d.c.d.DefaultModuleDeployer.onModuleStopped:295 -  [DUBBO] Dubbo 
Module[1.1.1] has stopped., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,173 [INFO] [SpringApplicationShutdownHookraceId] 
(SpringApplicationShutdownHook) o.a.d.c.s.c.DubboSpringInitializer.remove:77 -  
[DUBBO] Unbind Dubbo Module[1.1.1] from spring container: 
org.springframework.beans.factory.support.DefaultListableBeanFactory@193eb1ba, 
dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,480 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.t.m.DefaultExecutorRepository.destroyAll:370 -  [DUBBO] destroying 
executor repository .., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,481 [ERROR] 
[DubboServerHandler-172.16.204.201:29801-thread-6raceId] 
(DubboServerHandler-172.16.204.201:29801-thread-6) 
c.l.d.u.s.i.UserServiceImpl.getUserNameByShutdown:37 - sleep interrupted
   java.lang.InterruptedException: sleep interrupted
        at java.lang.Thread.sleep(Native Method) ~[?:?]
        at java.lang.Thread.sleep(Thread.java:340) ~[?:?]
        at java.util.concurrent.TimeUnit.sleep(TimeUnit.java:403) ~[?:?]
        at 
com.leimbag.dubbo.user.service.impl.UserServiceImpl.getUserNameByShutdown(UserServiceImpl.java:35)
 [classes/:?]
        at 
org.apache.dubbo.common.bytecode.Wrapper1.invokeMethod(Wrapper1.java) 
[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:47)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:86)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.config.invoker.DelegateProviderMetaDataInvoker.invoke(DelegateProviderMetaDataInvoker.java:55)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:56) 
[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.filter.ClassLoaderCallbackFilter.invoke(ClassLoaderCallbackFilter.java:38)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:46) 
[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:99) 
[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:52) 
[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.auth.filter.ProviderAuthFilter.invoke(ProviderAuthFilter.java:53)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:131) 
[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:197) 
[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
com.leimbag.dubbo.core.filter.GrayHeaderProviderFilter.invoke(GrayHeaderProviderFilter.java:57)
 [classes/:?]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:46) 
[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at org.apache.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:41) 
[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:313)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CallbackRegistrationInvoker.invoke(FilterChainBuilder.java:187)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:152)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:100)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:175)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:51)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:57)
 [dubbo-3.0.5.jar:3.0.5]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) 
[?:?]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) 
[?:?]
        at 
org.apache.dubbo.common.threadlocal.InternalRunnable.run(InternalRunnable.java:41)
 [dubbo-3.0.5.jar:3.0.5]
        at java.lang.Thread.run(Thread.java:844) [?:?]
   2022-01-25 17:43:02,486 [INFO] 
[DubboServerHandler-172.16.204.201:29801-thread-6raceId] 
(DubboServerHandler-172.16.204.201:29801-thread-6) 
c.l.d.u.s.i.UserServiceImpl.getUserNameByShutdown:39 - 等待十秒, uid=5
   2022-01-25 17:43:02,486 [INFO] 
[DubboServerHandler-172.16.204.201:29801-thread-6raceId] 
(DubboServerHandler-172.16.204.201:29801-thread-6) 
c.l.d.c.f.GrayHeaderProviderFilter.invoke:59 - 清除灰度头，grayHeader=null
   2022-01-25 17:43:02,488 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.d.DefaultApplicationDeployer.onStopped:1077 -  [DUBBO] Dubbo 
Application[1.1](dubbo-user-service) has stopped., dubbo version: 3.0.5, 
current host: 172.16.204.201
   2022-01-25 17:43:02,490 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.m.FrameworkModel.onDestroy:104 -  [DUBBO] Destroying default framework 
model: Dubbo Framework[1], dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,491 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.m.FrameworkModel.onDestroy:109 -  [DUBBO] Dubbo Framework[1] is 
destroying ..., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,491 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.d.DefaultApplicationDeployer.onStopping:1063 -  [DUBBO] Dubbo 
Application[1.0](DUBBO_INTERNAL_APPLICATION) is stopping., dubbo version: 
3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,491 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.d.DefaultModuleDeployer.onModuleStopping:285 -  [DUBBO] Dubbo 
Module[1.0.0] is stopping., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,491 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.d.DefaultModuleDeployer.onModuleStopped:295 -  [DUBBO] Dubbo 
Module[1.0.0] has stopped., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,492 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.s.RegistryManager.destroyAll:98 -  [DUBBO] Close all registries [], 
dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,492 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.t.m.DefaultExecutorRepository.destroyAll:370 -  [DUBBO] destroying 
executor repository .., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,492 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.c.d.DefaultApplicationDeployer.onStopped:1077 -  [DUBBO] Dubbo 
Application[1.0](DUBBO_INTERNAL_APPLICATION) has stopped., dubbo version: 
3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,493 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.p.d.DubboProtocol.destroy:663 -  [DUBBO] Destroying protocol 
[DubboProtocol] ..., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:02,493 [INFO] [DubboShutdownHookraceId] (DubboShutdownHook) 
o.a.d.r.p.d.DubboProtocol.destroy:676 -  [DUBBO] Closing dubbo server: 
/172.16.204.201:29801, dubbo version: 3.0.5, current host: 172.16.204.201
   
   ```
   
   
   
   
   
   
   web-demo 对应日志
   
   ```
   web-demo 对应日志
   
   2022-01-25 17:43:02,489 [INFO] [http-nio-19830-exec-9raceId] 
(http-nio-19830-exec-9) c.l.w.d.c.UserController.getUserNameByShutdown:41 - 
查询uid=5的用户名, result=TestUser:5
   2022-01-25 17:43:17,505 [INFO] [NettyClientWorker-4-8raceId] 
(NettyClientWorker-4-8) o.a.d.r.t.n.NettyClientHandler.channelInactive:76 -  
[DUBBO] The connection of /172.16.204.201:62394 -> /172.16.204.201:29801 is 
disconnected., dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:25,000 [INFO] 
[nacos.publisher-com.alibaba.nacos.client.naming.event.InstancesChangeEventraceId]
 (nacos.publisher-com.alibaba.nacos.client.naming.event.InstancesChangeEvent) 
o.a.d.r.c.e.l.ServiceInstancesChangedListener.refreshInstance:307 -  [DUBBO] 
Received instance notification, serviceName: dubbo-user-service, instances: 0, 
dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:25,001 [INFO] 
[nacos.publisher-com.alibaba.nacos.client.naming.event.InstancesChangeEventraceId]
 (nacos.publisher-com.alibaba.nacos.client.naming.event.InstancesChangeEvent) 
o.a.d.r.c.e.l.ServiceInstancesChangedListener.lambda$notifyAddressChanged$5:440 
-  [DUBBO] Notify service com.leimbag.dubbo.user.service.UserService:dubbo with 
urls 0, dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:25,001 [WARN] 
[nacos.publisher-com.alibaba.nacos.client.naming.event.InstancesChangeEventraceId]
 (nacos.publisher-com.alibaba.nacos.client.naming.event.InstancesChangeEvent) 
o.a.d.r.c.ServiceDiscoveryRegistryDirectory.refreshInvoker:212 -  [DUBBO] 
Received empty url list, will ignore for protection purpose., dubbo version: 
3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:25,137 [WARN] 
[Dubbo-registry-notification-0-thread-1raceId] 
(Dubbo-registry-notification-0-thread-1) o.a.d.r.n.NacosRegistry.notify:417 -  
[DUBBO] Ignore empty notify urls for subscribe url 
dubbo://172.16.204.201/com.leimbag.dubbo.user.service.UserService?application=web-demo&background=false&category=providers,configurators,routers&check=false&dubbo=2.0.2&interface=com.leimbag.dubbo.user.service.UserService&metadata-type=remote&methods=getUserNameByShutdown,getUserName,getWalletBalance&pid=6901&qos.enable=false&release=3.0.5&side=consumer&sticky=false&timeout=60000&timestamp=1643083913115,
 dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:29,528 [INFO] [dubbo-client-idleCheck-thread-1raceId] 
(dubbo-client-idleCheck-thread-1) o.a.d.r.e.s.h.ReconnectTimerTask.doTask:48 -  
[DUBBO] Initial connection to HeaderExchangeClient 
[channel=org.apache.dubbo.remoting.transport.netty4.NettyClient 
[/172.16.204.201:62394 -> /172.16.204.201:29801]], dubbo version: 3.0.5, 
current host: 172.16.204.201
   2022-01-25 17:43:29,529 [INFO] [dubbo-client-idleCheck-thread-1raceId] 
(dubbo-client-idleCheck-thread-1) o.a.d.r.t.n.NettyChannel.close:201 -  [DUBBO] 
Close netty channel [id: 0x0d584a3a, L:/172.16.204.201:62394 ! 
R:/172.16.204.201:29801], dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:43:29,535 [ERROR] [dubbo-client-idleCheck-thread-1raceId] 
(dubbo-client-idleCheck-thread-1) o.a.d.r.e.s.h.ReconnectTimerTask.doTask:51 -  
[DUBBO] Fail to connect to HeaderExchangeClient 
[channel=org.apache.dubbo.remoting.transport.netty4.NettyClient 
[/172.16.204.201:62394 -> /172.16.204.201:29801]], dubbo version: 3.0.5, 
current host: 172.16.204.201
   org.apache.dubbo.remoting.RemotingException: client(url: 
dubbo://172.16.204.201:29801/com.leimbag.dubbo.user.service.UserService?anyhost=true&application=dubbo-user-service&background=false&category=providers&check=false&codec=dubbo&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&heartbeat=60000&interface=com.leimbag.dubbo.user.service.UserService&metadata-type=remote&methods=getUserNameByShutdown,getUserName,getWalletBalance&path=com.leimbag.dubbo.user.service.UserService&pid=6790&protocol=dubbo&qos.enable=false&release=3.0.5&service-name-mapping=true&side=provider&sticky=false&timeout=60000&timestamp=1643083877682)
 failed to connect to server /172.16.204.201:29801, error message is:Connection 
refused: /172.16.204.201:29801
        at 
org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:183)
 ~[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:202)
 ~[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.transport.AbstractClient.reconnect(AbstractClient.java:256)
 ~[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeClient.reconnect(HeaderExchangeClient.java:171)
 ~[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.exchange.support.header.ReconnectTimerTask.doTask(ReconnectTimerTask.java:49)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.exchange.support.header.AbstractTimerTask.run(AbstractTimerTask.java:87)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:651)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:730)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.common.timer.HashedWheelTimer$Worker.run(HashedWheelTimer.java:452)
 [dubbo-3.0.5.jar:3.0.5]
        at java.lang.Thread.run(Thread.java:844) [?:?]
   Caused by: io.netty.channel.AbstractChannel$AnnotatedConnectException: 
Connection refused: /172.16.204.201:29801
   Caused by: java.net.ConnectException: Connection refused
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[?:?]
        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[?:?]
        at 
io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
 ~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
 ~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) 
~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658)
 ~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) 
~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) 
~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 ~[netty-common-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
~[netty-common-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 ~[netty-common-4.1.72.Final.jar:4.1.72.Final]
        ... 1 more
   2022-01-25 17:44:30,529 [INFO] [dubbo-client-idleCheck-thread-1raceId] 
(dubbo-client-idleCheck-thread-1) o.a.d.r.e.s.h.ReconnectTimerTask.doTask:48 -  
[DUBBO] Initial connection to HeaderExchangeClient 
[channel=org.apache.dubbo.remoting.transport.netty4.NettyClient 
[/172.16.204.201:62394 -> /172.16.204.201:29801]], dubbo version: 3.0.5, 
current host: 172.16.204.201
   2022-01-25 17:44:30,531 [INFO] [dubbo-client-idleCheck-thread-1raceId] 
(dubbo-client-idleCheck-thread-1) o.a.d.r.t.n.NettyChannel.close:201 -  [DUBBO] 
Close netty channel [id: 0x0d584a3a, L:/172.16.204.201:62394 ! 
R:/172.16.204.201:29801], dubbo version: 3.0.5, current host: 172.16.204.201
   2022-01-25 17:44:30,535 [ERROR] [dubbo-client-idleCheck-thread-1raceId] 
(dubbo-client-idleCheck-thread-1) o.a.d.r.e.s.h.ReconnectTimerTask.doTask:51 -  
[DUBBO] Fail to connect to HeaderExchangeClient 
[channel=org.apache.dubbo.remoting.transport.netty4.NettyClient 
[/172.16.204.201:62394 -> /172.16.204.201:29801]], dubbo version: 3.0.5, 
current host: 172.16.204.201
   org.apache.dubbo.remoting.RemotingException: client(url: 
dubbo://172.16.204.201:29801/com.leimbag.dubbo.user.service.UserService?anyhost=true&application=dubbo-user-service&background=false&category=providers&check=false&codec=dubbo&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&heartbeat=60000&interface=com.leimbag.dubbo.user.service.UserService&metadata-type=remote&methods=getUserNameByShutdown,getUserName,getWalletBalance&path=com.leimbag.dubbo.user.service.UserService&pid=6790&protocol=dubbo&qos.enable=false&release=3.0.5&service-name-mapping=true&side=provider&sticky=false&timeout=60000&timestamp=1643083877682)
 failed to connect to server /172.16.204.201:29801, error message is:Connection 
refused: /172.16.204.201:29801
        at 
org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:183)
 ~[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:202)
 ~[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.transport.AbstractClient.reconnect(AbstractClient.java:256)
 ~[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeClient.reconnect(HeaderExchangeClient.java:171)
 ~[dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.exchange.support.header.ReconnectTimerTask.doTask(ReconnectTimerTask.java:49)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.remoting.exchange.support.header.AbstractTimerTask.run(AbstractTimerTask.java:87)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:651)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:730)
 [dubbo-3.0.5.jar:3.0.5]
        at 
org.apache.dubbo.common.timer.HashedWheelTimer$Worker.run(HashedWheelTimer.java:452)
 [dubbo-3.0.5.jar:3.0.5]
        at java.lang.Thread.run(Thread.java:844) [?:?]
   Caused by: io.netty.channel.AbstractChannel$AnnotatedConnectException: 
Connection refused: /172.16.204.201:29801
   Caused by: java.net.ConnectException: Connection refused
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[?:?]
        at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[?:?]
        at 
io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
 ~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
 ~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) 
~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658)
 ~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) 
~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) 
~[netty-transport-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 ~[netty-common-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
~[netty-common-4.1.72.Final.jar:4.1.72.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 ~[netty-common-4.1.72.Final.jar:4.1.72.Final]
        ... 1 more
   
   ```
   


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