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http://jira.magnolia-cms.com/browse/MAGNOLIA-2989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=27664#action_27664
]
Grégory Joseph commented on MAGNOLIA-2989:
------------------------------------------
Also applied patch to the 4.2, 4.1 and 4.0 branches, although 4.1 and 4.0 will
probably still suffer from MAGNOLIA-2936.
> GZipFilter causes "getWriter() has already been called for this response"
> error to be thrown on Glassfish v3
> ------------------------------------------------------------------------------------------------------------
>
> Key: MAGNOLIA-2989
> URL: http://jira.magnolia-cms.com/browse/MAGNOLIA-2989
> Project: Magnolia
> Issue Type: Bug
> Components: admininterface, cache, core
> Affects Versions: 4.2.3
> Reporter: joshua portway
> Assignee: Grégory Joseph
> Fix For: 4.3.x
>
> Attachments: MAGNOLIA-2989-stracktrace.txt,
> NetBeansScreenSnapz001.png, screenshot-2.jpg,
> vcs-diff7973054169198951414.patch
>
> Original Estimate: 0d
> Remaining Estimate: 0d
>
> Immediately after logging in this error is thrown by the server, and the
> admin page never renders.
> This means that magnolia is effectively completely unusable under Glassfish
> v3.
> This has been a problem in previous version of glassfish, and with previous
> versions of Magnolia (going back to at least 3.5, probably earlier, but I
> can't remember), but in previous version of glassfish the problem only caused
> a warning to be logged. Glassfish version 3 treats this as a fatal error and
> aborts rendering the page.
> With previous versions of Magnolia running under glassfish 2.5 (such as sites
> I currently have running) it's only the admin interface that causes this
> problem - rendering normal pages does not cause a warning to be logged.
> here's the stack trace :
> {noformat}
> java.lang.IllegalStateException: PWC3990: getWriter() has already been called
> for this response
> at
> org.apache.catalina.connector.Response.getOutputStream(Response.java:676)
> at
> org.apache.catalina.connector.ResponseFacade.getOutputStream(ResponseFacade.java:205)
> at
> info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:106)
> at
> info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62)
> [...]
> {noformat}
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