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From "Marnie McCormack (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (QPID-2927) JMX Shutdown plugin throws InstanceNotFoundException during broker shutdown
Date Thu, 02 Dec 2010 10:44:10 GMT

     [ https://issues.apache.org/jira/browse/QPID-2927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Marnie McCormack resolved QPID-2927.

    Resolution: Fixed

Change looks fine.

> JMX Shutdown plugin throws InstanceNotFoundException during broker shutdown
> ---------------------------------------------------------------------------
>                 Key: QPID-2927
>                 URL: https://issues.apache.org/jira/browse/QPID-2927
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: 0.7
>            Reporter: Robbie Gemmell
>            Assignee: Robbie Gemmell
>             Fix For: 0.7
>         Attachments: qpid-2927.patch
> If the broker is stopped cleanly it emits an InstanceNotFoundException on the terminal
when stopping the JMX Shutdown plugin bundle. This is because the when the ApplicationRegistry
shutdown hook is run, the JMXManagedObjectRegistry unregisters all MBeans in the 'org.apache.qpid'
domain whilst closing, presumably before Felix is shut down and thus causing the Shutdown
plugin to fail when trying to unregister the shutdown MBean again explicitly.
> This can be handled by simply catching the INFE in the Activator, such that the MBean
is unregistered if the bundle were to be stopped before the broker, but no exception is thrown
in the reverse case.
> ERROR: Error stopping bundle. (javax.management.InstanceNotFoundException: org.apache.qpid:type=ShutdownMBean)
> javax.management.InstanceNotFoundException: org.apache.qpid:type=ShutdownMBean
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1094)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:415)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:403)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:506)
> 	at org.apache.qpid.shutdown.Activator.stop(Activator.java:59)
> 	at org.apache.felix.framework.util.SecureAction.stopActivator(SecureAction.java:683)
> 	at org.apache.felix.framework.Felix.stopBundle(Felix.java:2128)
> 	at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1152)
> 	at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:264)
> 	at java.lang.Thread.run(Thread.java:619)

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