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https://issues.apache.org/jira/browse/AMQ-3451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13428126#comment-13428126
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Sergey commented on AMQ-3451:
-----------------------------
I you didn't put ActiveMQ lib in tomcat shared lib, then I don't understand why
you have a memory leak, because when I package ActiveMQ libs to WEB-INF/lib,
then I don't have any memory leaks except AMQ-3959.
You need to deploy your web application, then stop it in Tomcat Manager, then
use Eclipse Memory Analysis tool, take a heap dump, open histogram, group by
clasloader, then find paths to GC root for WebAppClassLoader. When done, you
will know for sure the cause of the memory leak.
> Tomcat 6.0.32 complains that ActiveMQ 5.5 doesn't shutdown a thread
> -------------------------------------------------------------------
>
> Key: AMQ-3451
> URL: https://issues.apache.org/jira/browse/AMQ-3451
> Project: ActiveMQ
> Issue Type: Bug
> Components: JMS client
> Affects Versions: 5.5.0
> Environment: jdk 1.6.0_23 for Linux 64 bit, Ubuntu 11.04
> Tomcat 6.0.32
> Spring 3.0.5
> Reporter: John Miller
> Labels: leak, resource
> Attachments: inherited_access_cotrol_context_leak.png, patch.txt,
> transport_thread_leak.png
>
>
> Every time when restarting web application in Tomcat Manager I get messages:
> SEVERE: The web application [/sms] appears to have started a thread named
> [ActiveMQ Task-3] but has failed to stop it. This is very likely to create a
> memory leak.
> With every restart PermGen space is increased and finally i got OutOfMemory
> error for PermGen space.
> I use Spring DefaultMessageListenerContainer, and it's shutdown method closes
> properly receivers threads. What is "ActiveMQ Task-3" thread and how to close
> it properly ?
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