I'm trying to start 2 brokers in my kafka ingestion unit test and I got
exception
javax.management.InstanceAlreadyExistsException:
kafka.server:type=app-info,id=0
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:57)
at kafka.server.KafkaServer.startup(KafkaServer.scala:239)
at
kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:37)
at
org.apache.apex.malhar.kafka.KafkaOperatorTestBase.startKafkaServer(KafkaOperatorTestBase.java:133)
at
org.apache.apex.malhar.kafka.KafkaOperatorTestBase.startKafkaServer(KafkaOperatorTestBase.java:143)
at
org.apache.apex.malhar.kafka.KafkaOperatorTestBase.beforeTest(KafkaOperatorTestBase.java:175)
It is caused by JMXMetrcsReporter?
It doesn't affect any function we want, but it is annoying.
How to disable it?
Thanks!
