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From "Norman Maurer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-3041) TemporyQueue will never get unregisterd from JMX which leads to a memory leak
Date Tue, 16 Nov 2010 13:19:25 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-3041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=63370#action_63370
] 

Norman Maurer commented on AMQ-3041:
------------------------------------

After some debugging I see that when the temprary queue is created it call:


ManagedTempQueueRegion.createDestination(....)

But when call TemporaryQueue.delete() it never call;:

 ManagedTempQueueRegion.removeDestination(....)

I still try to understand why

> TemporyQueue will never get unregisterd from JMX which leads to a memory leak
> -----------------------------------------------------------------------------
>
>                 Key: AMQ-3041
>                 URL: https://issues.apache.org/activemq/browse/AMQ-3041
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.4.1, 5.5.0
>         Environment: activemq 5.4.1 and 5.5-SNAPSHOT
>            Reporter: Norman Maurer
>             Fix For: 5.5.0
>
>
> When you use Session.createTemporaryQueue(...) you will see that the TemporaryQueue will
get added to JMX. Now when you call TemporaryQueue.delete() it will not get delete from JMX.
So when you make heavy use of TemporaryQueues you will see that the entries in JMX will get
bigger and bigger as they will never get removed on delete. This can lead to an OOM very frequently.

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