[KAFKA-6619] InstanceAlreadyExistsException while Tomcat starting up

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.10.0.0
• Component/s: packaging
• Assignee: Unassigned
• Reporter: xiezhi
• Created: 07/Mar/18 07:47
• Updated: 03/Aug/18 20:59

Description

 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)