[ https://issues.apache.org/jira/browse/KAFKA-6619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ray Chiang updated KAFKA-6619: ------------------------------ Component/s: packaging > InstanceAlreadyExistsException while Tomcat starting up > ------------------------------------------------------- > > Key: KAFKA-6619 > URL: https://issues.apache.org/jira/browse/KAFKA-6619 > Project: Kafka > Issue Type: Bug > Components: packaging > Affects Versions: 0.10.0.0 > Reporter: xiezhi > Priority: Major > > I configured log4j to send application logs to kafka. > There is no more producer, one only. So I couldn't figure out what's happened. > ----------------log4j.properties--------------------------------- > log4j.rootLogger=INFO, kafka > #appender kafka > log4j.appender.kafka=org.apache.kafka.log4jappender.KafkaLog4jAppender > log4j.appender.kafka.topic=UAT_APP > log4j.appender.A1.Threshold=INFO > log4j.appender.kafka.syncSend=false > #multiple brokers are separated by comma ",". > log4j.appender.kafka.brokerList=localhost:9091,localhost:9092,localhost:9093, > log4j.appender.kafka.layout=org.apache.log4j.PatternLayout > log4j.appender.kafka.layout.ConversionPattern=%d\{yyyy-MM-dd HH:mm:ss} %p %t > %c (%F:%L) - %m%n > -----------------end log4j.properties--------------------------------------- > It's the error log below. > 2018-03-07 14:54:57 INFO localhost-startStop-1 > org.apache.kafka.common.utils.AppInfoParser (AppInfoParser.java:109) - Kafka > version : 1.0.0 > 2018-03-07 14:54:57 INFO localhost-startStop-1 > org.apache.kafka.common.utils.AppInfoParser (AppInfoParser.java:110) - Kafka > commitId : aaa7af6d4a11b29d > 2018-03-07 14:54:57 WARN localhost-startStop-1 > org.apache.kafka.common.utils.AppInfoParser (AppInfoParser.java:66) - Error > registering AppInfo mbean > javax.management.InstanceAlreadyExistsException: > kafka.producer:type=app-info,id=producer-1 > at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324) > at > com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522) > at > org.apache.kafka.common.utils.AppInfoParser.registerAppInfo(AppInfoParser.java:62) > at > org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:427) > at > org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:291) > at > org.apache.kafka.log4jappender.KafkaLog4jAppender.getKafkaProducer(KafkaLog4jAppender.java:246) > at > org.apache.kafka.log4jappender.KafkaLog4jAppender.activateOptions(KafkaLog4jAppender.java:240) > at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:307) > at > org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:172) > at > org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:104) > at > org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:809) > at > org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:735) > at > org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:615) > at > org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:502) > at > org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:547) > at > org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:483) > at org.apache.log4j.LogManager.<clinit>(LogManager.java:127) > at org.apache.log4j.Logger.getLogger(Logger.java:104) > at > org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:289) > at org.apache.commons.logging.impl.Log4JLogger.<init>(Log4JLogger.java:109) > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > at > org.apache.commons.logging.impl.LogFactoryImpl.createLogFromClass(LogFactoryImpl.java:1040) > at > org.apache.commons.logging.impl.LogFactoryImpl.discoverLogImplementation(LogFactoryImpl.java:838) > at > org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:601) > at > org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:333) > at > org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:307) > at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:645) > at > org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:184) > at > org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47) > at > org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5118) > at > org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5634) > at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) > at > org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899) > at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875) > at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652) > at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1092) > at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1984) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:748) -- This message was sent by Atlassian JIRA (v7.6.3#76005)