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https://issues.apache.org/jira/browse/MYFACES-2942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12921742#action_12921742
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Jakob Korherr commented on MYFACES-2942:
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I tested a lot of scenarios locally to find out why the WebappClassLoader is
not GCed, but I did not find a result.
I locally removed all ThreadLocal instances from the MyFaces code and also
fixed the problem with the WeakHashMap mentioned by Stan, but the
WebappClassLoader still isn't GCed.
Suggestions are welcome...
> Memory Leak in MyFaces 2.0.1 probably as well in 2.0.2
> ------------------------------------------------------
>
> Key: MYFACES-2942
> URL: https://issues.apache.org/jira/browse/MYFACES-2942
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 2.0.1, 2.0.2
> Environment: JBOSS AS
> Reporter: Werner Punz
> Assignee: Jakob Korherr
> Priority: Critical
> Attachments: MYFACES-2942-RuntimeConfig.patch
>
>
> Stan Silvert from JBoss reports:
> I'm pretty sure 2.0.1 has a memory leak on undeploy. Mojarra had an undeploy
> leak and it took a long time to track it down. The same test I was using on
> Mojarra also failed on MyFaces but I haven't had time to track down the leak
> in MyFaces.
> Maybe this is fixed in 2.0.2? If not maybe someone can go ahead and take a
> look? The mem leak keeps MyFaces from passing TCK on JBoss AS. To test, all
> you need to do is create a small exploaded JSF app. Then have a script that
> touches web.xml every 10 seconds. That will cause the app to redeploy. You
> will get a PermGen error in about an hour.
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