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Posted to commits@tapestry.apache.org by "Kalle Korhonen (JIRA)" <ji...@apache.org> on 2012/10/05 02:39:48 UTC
[jira] [Commented] (TAP5-986) A request can fail with an NPE in
some cases, when a Tapestry page is acting as the servlet container error
page
[ https://issues.apache.org/jira/browse/TAP5-986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13469920#comment-13469920 ]
Kalle Korhonen commented on TAP5-986:
-------------------------------------
The changed summary is wrong - the request doesn't fail with NPE.
> A request can fail with an NPE in some cases, when a Tapestry page is acting as the servlet container error page
> ----------------------------------------------------------------------------------------------------------------
>
> Key: TAP5-986
> URL: https://issues.apache.org/jira/browse/TAP5-986
> Project: Tapestry 5
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.1.0.5
> Reporter: Christophe Cordenier
> Assignee: Kalle Korhonen
> Fix For: 5.3.6, 5.4
>
> Attachments: TAP5-986.txt
>
>
> With this kind of configuration in web.xml :
> <filter-mapping>
> <filter-name>tapestryFilter</filter-name>
> <url-pattern>/*</url-pattern>
> <dispatcher>ERROR</dispatcher>
> <dispatcher>REQUEST</dispatcher>
> </filter-mapping>
> <error-page>
> <error-code>403</error-code>
> <location>/error/AccessDenied</location>
> </error-page>
> <error-page>
> <error-code>404</error-code>
> <location>/error/NotFound</location>
> </error-page>
> RestoreDirtySessionObjects is generating a NullPointerException with this line :
> Session session = request.getSession(false);
> It seems that the dispatching is done in one single thread, then the initial class to RestoreDirtySessionObjects is delay, and request object is lost.
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