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https://issues.apache.org/jira/browse/MYFACES-3442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13256287#comment-13256287
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Krashan Brahmanjara commented on MYFACES-3442:
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Please apply this patch also for 1.1 and 1.2 branch.
> Infinite loop when calling ApplicationImpl._handleListenerForAnnotations
> under heavy load
> -----------------------------------------------------------------------------------------
>
> Key: MYFACES-3442
> URL: https://issues.apache.org/jira/browse/MYFACES-3442
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 2.1.3
> Reporter: Michael Dietrich
> Assignee: Leonardo Uribe
> Fix For: 2.0.12, 2.1.6
>
>
> Hi,
> when doing Load Tests, we recognize that we sometimes got stuck in an
> infinite loop, when calling the _handleListenerForAnnotations method of the
> ApplicationImpl class. According to our analysis, this is related to the
> _classToListenerForMap attribute that is is defined as plain HashMap, so no
> synchronisation takes place when it is accessed from several threads. Our
> suggestion would be, to define it as a ConcurrentHashMap instead, because
> according to our experience, such kind of infinite loops due to concurrency
> don't occur with ConcurrentHashMaps.
> Kind regards,
> Michael
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