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https://issues.apache.org/jira/browse/ZOOKEEPER-1873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898634#comment-13898634
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Michi Mutsuzaki commented on ZOOKEEPER-1873:
--------------------------------------------
+1 Thanks Rakesh.
> Unnecessarily InstanceNotFoundException is coming when unregister failed
> jmxbeans
> ---------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-1873
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1873
> Project: ZooKeeper
> Issue Type: Sub-task
> Components: server
> Reporter: Rakesh R
> Assignee: Rakesh R
> Fix For: 3.4.6, 3.5.0
>
> Attachments: ZOOKEEPER-1873.patch
>
>
> MBeanRegistry#register is keeping the beans which are failed to complete the
> registration. During unregistration time, these failed beans will results in
> following exception.
> {code}
> [junit] 2014-01-29 08:34:56,667 [myid:] - WARN [main:MBeanRegistry@134]
> - Error during unregister
> [junit] javax.management.InstanceNotFoundException:
> org.apache.ZooKeeperService:name0=StandaloneServer_port-1
> [junit] at
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1095)
> [junit] at
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:427)
> [junit] at
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:415)
> [junit] at
> com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:536)
> [junit] at
> org.apache.zookeeper.jmx.MBeanRegistry.unregister(MBeanRegistry.java:115)
> {code}
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