pinxiong commented on issue #8225: URL: https://github.com/apache/dubbo/issues/8225#issuecomment-890443022
> @pinxiong logs/nacos/remote.log 中未见异常，这个demo可以拿到linux下运行下看。 #### Source Code I downloaded the source code and do some changes below, and then uploaded it to [github repository](https://github.com/pinxiong/spring-boot-dubbo-nacos-demo) + Update the log4j2 in `shop-service-provider` and `shop-service-consumer` ```java <Properties> <!-- 日志保存路径 --> <property name="LOG_HOME">log</property> ...... </Properties> ``` + Update README.md file It's convenient for us to discussion, you can update the souce code if you want to do any changes. #### Reproduce I installed a machine and the environment as follow: + Cent OS 7.7 ```shell [root@ip-192-0-4-195 ~]# cat /etc/redhat-release CentOS Linux release 7.7.1908 (Core) ``` + JDK ```shell [root@ip-192-0-4-195 ~]# java -version java version "1.8.0_301" Java(TM) SE Runtime Environment (build 1.8.0_301-b09) Java HotSpot(TM) Server VM (build 25.301-b09, mixed mode) ``` + Nacos <img width="759" alt="Nacos 1 4 2" src="https://user-images.githubusercontent.com/7067417/127758466-3c3645a0-3227-4de5-9d33-6421249b8c90.png";> ##### Start Provider ```shell [root@ip-192-0-4-195 spring-boot-dubbo-nacos-demo]# java -jar shop-service-provider/target/shop-service-provider-0.0.1.jar log4j:WARN No appenders could be found for logger (org.apache.dubbo.common.Version). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. 2021-08-01 02:20:17 INFO org.apache.dubbo.spring.boot.context.event.WelcomeLogoApplicationListener:64 - :: Dubbo Spring Boot (v3.0.1) : https://github.com/apache/dubbo-spring-boot-project :: Dubbo (v3.0.1) : https://github.com/apache/dubbo :: Discuss group : [email protected] . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.3.12.RELEASE) 2021-08-01 02:20:17 INFO com.alibaba.boot.nacos.config.util.NacosConfigPropertiesUtils:47 - nacosConfigProperties : NacosConfigProperties{serverAddr='127.0.0.1:8848', contextPath='null', encode='null', endpoint='null', namespace='null', accessKey='null', secretKey='null', ramRoleName='null', autoRefresh=false, dataId='null', dataIds='null', group='DEFAULT_GROUP', type=null, maxRetry='null', configLongPollTimeout='null', configRetryTime='null', enableRemoteSyncConfig=false, extConfig=[], bootstrap=Bootstrap{enable=false, logEnable=false}} 2021-08-01 02:20:17 INFO com.alibaba.boot.nacos.config.autoconfigure.NacosConfigApplicationContextInitializer:75 - [Nacos Config Boot] : The preload configuration is not enabled 2021-08-01 02:20:17 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:55 - Starting ShopServiceProviderApplication on 192-0-4-195 with PID 2463 (/root/***/workspace/spring-boot-dubbo-nacos-demo/shop-service-provider/target/shop-service-provider-0.0.1.jar started by root in /root/***/workspace/spring-boot-dubbo-nacos-demo) 2021-08-01 02:20:17 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:648 - No active profile set, falling back to default profiles: default 2021-08-01 02:20:18 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboRelaxedBinding2AutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'. 2021-08-01 02:20:18 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'. 2021-08-01 02:20:18 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment 2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 113 ms to scan 1 urls, producing 3 keys and 6 values 2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 76 ms to scan 1 urls, producing 4 keys and 9 values 2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 66 ms to scan 1 urls, producing 3 keys and 10 values 2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 224 ms to scan 78 urls, producing 0 keys and 0 values 2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 43 ms to scan 1 urls, producing 1 keys and 5 values 2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 39 ms to scan 1 urls, producing 1 keys and 7 values 2021-08-01 02:20:19 INFO org.reflections.Reflections:232 - Reflections took 36 ms to scan 1 urls, producing 2 keys and 8 values 2021-08-01 02:20:20 INFO org.reflections.Reflections:232 - Reflections took 216 ms to scan 78 urls, producing 0 keys and 0 values 2021-08-01 02:20:31 INFO cn.raysonblog.shopserviceprovider.ShopServiceProviderApplication:61 - Started ShopServiceProviderApplication in 14.226 seconds (JVM running for 15.856) 2021-08-01 02:20:31 INFO org.apache.dubbo.spring.boot.context.event.AwaitingNonWebApplicationListener:159 - [Dubbo] Current Spring Boot Application is await... ``` ##### Start Consumer ```shell [root@ip-192-0-4-195 spring-boot-dubbo-nacos-demo]# java -jar shop-service-consumer/target/shop-service-consumer-0.0.1.jar log4j:WARN No appenders could be found for logger (org.apache.dubbo.common.Version). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. 2021-08-01 02:21:31 INFO org.apache.dubbo.spring.boot.context.event.WelcomeLogoApplicationListener:64 - :: Dubbo Spring Boot (v3.0.1) : https://github.com/apache/dubbo-spring-boot-project :: Dubbo (v3.0.1) : https://github.com/apache/dubbo :: Discuss group : [email protected] . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.3.12.RELEASE) 2021-08-01 02:21:31 INFO com.alibaba.boot.nacos.config.util.NacosConfigPropertiesUtils:47 - nacosConfigProperties : NacosConfigProperties{serverAddr='127.0.0.1:8848', contextPath='null', encode='null', endpoint='null', namespace='null', accessKey='null', secretKey='null', ramRoleName='null', autoRefresh=false, dataId='null', dataIds='null', group='DEFAULT_GROUP', type=null, maxRetry='null', configLongPollTimeout='null', configRetryTime='null', enableRemoteSyncConfig=false, extConfig=[], bootstrap=Bootstrap{enable=false, logEnable=false}} 2021-08-01 02:21:31 INFO com.alibaba.boot.nacos.config.autoconfigure.NacosConfigApplicationContextInitializer:75 - [Nacos Config Boot] : The preload configuration is not enabled 2021-08-01 02:21:31 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:55 - Starting ShopServiceConsumerApplication on 192-0-4-195 with PID 2989 (/root/***/workspace/spring-boot-dubbo-nacos-demo/shop-service-consumer/target/shop-service-consumer-0.0.1.jar started by root in /root/***/workspace/spring-boot-dubbo-nacos-demo) 2021-08-01 02:21:32 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:648 - No active profile set, falling back to default profiles: default 2021-08-01 02:21:34 INFO org.springframework.context.annotation.ConfigurationClassPostProcessor:413 - Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'. 2021-08-01 02:21:34 INFO org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor:463 - Register dubbo reference bean: shopService = ReferenceBean:cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0() at cn.raysonblog.shopservice.api.service.RpcShopService cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication.shopService 2021-08-01 02:21:35 WARN org.springframework.boot.context.properties.PropertySourcesDeducer:66 - Multiple PropertySourcesPlaceholderConfigurer beans registered [propertySourcesPlaceholderConfigurer, org.springframework.context.support.PropertySourcesPlaceholderConfigurer], falling back to Environment 2021-08-01 02:21:36 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:108 - Tomcat initialized with port(s): 9081 (http) 2021-08-01 02:21:36 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Initializing ProtocolHandler ["http-nio-9081"] 2021-08-01 02:21:36 INFO org.apache.catalina.core.StandardService:173 - Starting service [Tomcat] 2021-08-01 02:21:36 INFO org.apache.catalina.core.StandardEngine:173 - Starting Servlet engine: [Apache Tomcat/9.0.46] 2021-08-01 02:21:36 INFO org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/]:173 - Initializing Spring embedded WebApplicationContext 2021-08-01 02:21:36 INFO org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext:285 - Root WebApplicationContext: initialization completed in 4050 ms 2021-08-01 02:21:37 INFO org.apache.dubbo.config.spring.reference.ReferenceCreator:95 - The configBean[type:ReferenceConfig] has been built. 2021-08-01 02:21:37 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor:181 - Initializing ExecutorService 'applicationTaskExecutor' 2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 99 ms to scan 1 urls, producing 3 keys and 6 values 2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 85 ms to scan 1 urls, producing 4 keys and 9 values 2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 78 ms to scan 1 urls, producing 3 keys and 10 values 2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 472 ms to scan 89 urls, producing 0 keys and 0 values 2021-08-01 02:21:39 INFO org.reflections.Reflections:232 - Reflections took 64 ms to scan 1 urls, producing 1 keys and 5 values 2021-08-01 02:21:40 INFO org.reflections.Reflections:232 - Reflections took 56 ms to scan 1 urls, producing 1 keys and 7 values 2021-08-01 02:21:40 INFO org.reflections.Reflections:232 - Reflections took 65 ms to scan 1 urls, producing 2 keys and 8 values 2021-08-01 02:21:40 INFO org.reflections.Reflections:232 - Reflections took 425 ms to scan 89 urls, producing 0 keys and 0 values 2021-08-01 02:21:42 INFO org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler:181 - Initializing ExecutorService 'taskScheduler' 2021-08-01 02:21:42 INFO org.apache.coyote.http11.Http11NioProtocol:173 - Starting ProtocolHandler ["http-nio-9081"] 2021-08-01 02:21:42 INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer:220 - Tomcat started on port(s): 9081 (http) with context path '' 2021-08-01 02:21:48 INFO cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication:61 - Started ShopServiceConsumerApplication in 17.698 seconds (JVM running for 20.443) 2021-08-01 02:21:50 ERROR org.springframework.scheduling.support.TaskUtils$LoggingErrorHandler:95 - Unexpected error occurred in scheduled task org.apache.dubbo.rpc.RpcException: Failed to invoke the method sayHello in the service cn.raysonblog.shopservice.api.service.RpcShopService. No provider available for the service cn.raysonblog.shopservice.api.service.RpcShopService:1.0.0 from registry 127.0.0.1:8848 on the consumer 192.0.4.195 using the dubbo version 3.0.1. Please check if the providers have been started and registered. at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:288) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:59) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:265) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:89) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.cluster.filter.support.ConsumerContextFilter.invoke(ConsumerContextFilter.java:101) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$FilterChainNode.invoke(FilterChainBuilder.java:82) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$ClusterFilterInvoker.invoke(AbstractCluster.java:93) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:93) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.registry.client.migration.MigrationInvoker.invoke(MigrationInvoker.java:276) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:95) ~[dubbo-3.0.1.jar!/:3.0.1] at org.apache.dubbo.common.bytecode.proxy0.sayHello(proxy0.java) ~[dubbo-3.0.1.jar!/:3.0.1] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_301] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_301] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_301] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_301] at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.2.15.RELEASE.jar!/:5.2.15.RELEASE] at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.2.15.RELEASE.jar!/:5.2.15.RELEASE] at com.sun.proxy.$Proxy80.sayHello(Unknown Source) ~[?:?] at cn.raysonblog.shopserviceconsumer.ShopServiceConsumerApplication.taskCycle(ShopServiceConsumerApplication.java:41) ~[classes!/:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_301] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_301] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_301] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_301] at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84) ~[spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE] at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) [spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE] at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:93) [spring-context-5.2.15.RELEASE.jar!/:5.2.15.RELEASE] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_301] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_301] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_301] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:1.8.0_301] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_301] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_301] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_301] ``` #### Result I cannot get any data in Nacos portal <img width="1007" alt="No data in Nacos" src="https://user-images.githubusercontent.com/7067417/127758481-b4282f65-3c17-4ce9-91de-a2b3c81b0581.png";> Also, I got some mistakes in `logs/nacos/remote.log` ```shell 2021-08-01 03:03:35.768 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [0e5fcd6a-47fb-40fe-a0ec-175e2df4956f] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown 2021-08-01 03:03:36.330 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] Server check fail, please check server 127.0.0.1 ,port 9848 is available , error =java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception 2021-08-01 03:03:36.330 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [facbcb0d-1b21-4fb3-8a20-19b53a22a3c4_config-0] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown 2021-08-01 03:03:39.593 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] Server check fail, please check server 127.0.0.1 ,port 9848 is available , error =java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception 2021-08-01 03:03:39.594 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [d232a7ea-c29f-4046-b5f2-3f0c5b11df3d] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown 2021-08-01 03:03:39.782 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] Server check fail, please check server 127.0.0.1 ,port 9848 is available , error =java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception 2021-08-01 03:03:39.782 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [babf4f72-b39d-46d0-b469-14fd173f828e] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown 2021-08-01 03:03:40.238 ERROR [com.alibaba.nacos.client.Worker:remote.client] Send request fail, request=ConfigBatchListenRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=583727c5868e57894225406f5245d218, Client-RequestTS=1627787020138, exConfigInfo=true, Timestamp=1627787020138}, requestId='null'}, retryTimes=0,errorMessage=Client not connected,current status:STARTING 2021-08-01 03:03:40.243 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] Server check fail, please check server 127.0.0.1 ,port 9848 is available , error =java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception 2021-08-01 03:03:40.244 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [9a83d9f9-783b-4846-a532-e4c1a91095ac_config-0] fail to connect server,after trying 543 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown 2021-08-01 03:03:40.338 ERROR [com.alibaba.nacos.client.Worker:remote.client] Send request fail, request=ConfigBatchListenRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=583727c5868e57894225406f5245d218, Client-RequestTS=1627787020138, exConfigInfo=true, Timestamp=1627787020138}, requestId='null'}, retryTimes=1,errorMessage=Client not connected,current status:STARTING 2021-08-01 03:03:40.439 ERROR [com.alibaba.nacos.client.Worker:remote.client] Send request fail, request=ConfigBatchListenRequest{headers={charset=UTF-8, Client-AppName=unknown, Client-RequestToken=583727c5868e57894225406f5245d218, Client-RequestTS=1627787020138, exConfigInfo=true, Timestamp=1627787020138}, requestId='null'}, retryTimes=2,errorMessage=Client not connected,current status:STARTING 2021-08-01 03:03:40.770 ERROR [com.alibaba.nacos.client.remote.worker:grpc.GrpcClient] Server check fail, please check server 127.0.0.1 ,port 9848 is available , error =java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception 2021-08-01 03:03:40.770 INFO [com.alibaba.nacos.client.remote.worker:remote.client] [0e5fcd6a-47fb-40fe-a0ec-175e2df4956f] fail to connect server,after trying 544 times, last try server is {serverIp='127.0.0.1', server main port=8848},error=unknown ``` -- This is an automated message from the Apache Git Service. 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