xiezhi created KAFKA-6619: ----------------------------- Summary: InstanceAlreadyExistsException while Tomcat starting up Key: KAFKA-6619 URL: https://issues.apache.org/jira/browse/KAFKA-6619 Project: Kafka Issue Type: Bug Affects Versions: 0.10.0.0 Reporter: xiezhi
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)