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https://issues.apache.org/jira/browse/COCOON-2216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grzegorz Kossakowski reassigned COCOON-2216:
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Assignee: Grzegorz Kossakowski
> IncludeCacheManager can not perfom parallel includes
> ----------------------------------------------------
>
> Key: COCOON-2216
> URL: https://issues.apache.org/jira/browse/COCOON-2216
> Project: Cocoon
> Issue Type: Bug
> Components: - Components: Sitemap
> Affects Versions: 2.2-dev (Current SVN)
> Reporter: Christoph Gaffga
> Assignee: Grzegorz Kossakowski
> Attachments: cocoon-trunk.patch,
> ParallelInclusionProblem-cocoon_TRUNK.patch, test-block.zip, test-webapp.zip
>
>
> Since we migrated from cocoon 2.1 to 2.2 a generator that merges multiple
> sources from other cocoon pipelines into one (similar to the aggregator) is
> not working anymore.
> We also posted our problem to the mailing list, got little feedback but it
> brought us on the right way...
> see also: http://www.mail-archive.com/[EMAIL PROTECTED]/msg42173.html
> I found out that it's a problem with the DefaultIncludeCacheManager, that can
> not do parallel inclusion of cocoon-pipelines anymore. I checked several
> classes where inclusion is used. In the aggregator parallel inclusion is not
> an option anymore, in CIncludeTransformer the IncludeCacheManager is used,
> but it can't do parallel inclusion. In the new IncludeTransfomer parallel
> inclusion is supported, but it does not use caching as it does not use the
> IncludeCacheManager...
> But we needed caching AND parallel processing, so I tried to find out what's
> broken in the DefaultIncludeCacheManager:
> and it seems that the ThreadLocal variables are not initialized for the child
> threads that do the inclusion. Neither the spring context nor the old
> environment stuff was initialized. And all the source resolving was done
> outside the child thread and that way using the wrong thread context.
> We were able to fix that issue by small changes to DefaultIncludeCacheManager
> and IncludeCacheManagerSession. It would be great if somebody could apply
> this patch so we don'T have to patch every cocoon version again and again...
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