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From "Martin Marinschek (JIRA)" <myfaces-...@incubator.apache.org>
Subject [jira] Resolved: (MYFACES-347) ExtensionFilter called multiple times under Weblogic
Date Fri, 19 Aug 2005 12:07:56 GMT
     [ http://issues.apache.org/jira/browse/MYFACES-347?page=all ]
     
Martin Marinschek resolved MYFACES-347:
---------------------------------------

    Fix Version: Nightly Build
     Resolution: Fixed

> ExtensionFilter called multiple times under Weblogic
> ----------------------------------------------------
>
>          Key: MYFACES-347
>          URL: http://issues.apache.org/jira/browse/MYFACES-347
>      Project: MyFaces
>         Type: Bug
>   Components: Tomahawk
>     Versions: 1.0.9 beta
>  Environment: Windows 2000 Server, Weblogic 8.1 SP2
>     Reporter: Dan Zehme
>     Assignee: Martin Marinschek
>      Fix For: Nightly Build

>
> Because of a lack of clarity in some version of the serlvet specification, Weblogic,
unlike Tomcat and JBoss, invoke the servlet filters not only on the initial request but on
forwards and includes through the RequestDispatcher.  This behavior causes the ExtensionFilter
to be called multiple times for a single request causing multiple insertions of the header
information or unnecessary errors indicating that no head or body was found.
> The solution to this problem is to set a request attribute indicating that the filter
has been run and just calling chain.doFilter() when that request attribute is set.

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