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From "Michael Dietrich (Reopened) (JIRA)" <...@myfaces.apache.org>
Subject [jira] [Reopened] (MYFACES-3442) Infinite loop when calling ApplicationImpl._handleListenerForAnnotations under heavy load
Date Mon, 16 Jan 2012 09:19:40 GMT

     [ https://issues.apache.org/jira/browse/MYFACES-3442?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Dietrich reopened MYFACES-3442:
---------------------------------------


Hi Leonardo,

sorry for reopening the issue again, but I just downloaded 2.1.6 via SVN and the changes are
not contained in there. I can only find them, if I download "current21".  According to the
Fix Version/s, it should be contained in 2.0.12 and 2.1.6. Is this a mistake and should it
be 2.1.7, or can you downport the chages to 2.1.6?

Thanks and kind regards,

Michael

                
> 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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