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From "Torsten Krah (JIRA)" <>
Subject [jira] Commented: (WW-2523) NPE in dispatcher cleanup when FilterDispatcher is used in a portlet
Date Fri, 17 Oct 2008 11:57:37 GMT


Torsten Krah commented on WW-2523:

Yes this would be the best idea. JBoss is doing undeployment first for FilterDispatcher, so
you have to patch Jsr168 one too ... that can't be the right solution.
However i don't know how to patch both so everyone got its own actual instance, if someone
can provide me with some more details how it might be done, i might be able to write a patch.

> NPE in dispatcher cleanup when FilterDispatcher is used in a portlet
> --------------------------------------------------------------------
>                 Key: WW-2523
>                 URL:
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Dispatch Filter, Plugin - Portlet
>    Affects Versions: 2.0.11, 2.1.0
>         Environment: JBoss Portal 2.6.4, Struts 2.1.1
>            Reporter: Nils-Helge Garli
>             Fix For: Future
>         Attachments: FilterDispatcher.diff, stackTrace_failure.txt, stackTrace_ok.txt
> When the FilterDispatcher is configured in web.xml, it does cleanup first, then JSR168Dispatcher
does cleanup, and for some reason, the ThreadLocal variable (the actual ThreadLocal variable,
not the value it contain) is null. I don't know if this is an issue only in JBoss.

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