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From "imran pariyani (JIRA)" <j...@apache.org>
Subject [jira] Commented: (COCOON-2216) IncludeCacheManager can not perfom parallel includes
Date Mon, 29 Sep 2008 21:06:44 GMT

    [ https://issues.apache.org/jira/browse/COCOON-2216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12635531#action_12635531
] 

imran pariyani commented on COCOON-2216:
----------------------------------------

hi , 

tried to apply the patch to the current trunk .. but it keeps giving this error 

ERROR [main] (ContextLoader.java:214) - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.apache.cocoon.ajax.impl.servlet':
Invocation of init method failed; nested exception is org.springframework.beans.factory.BeanCreationException:
Could not create configuration for TreeProcesoor; nested exception is java.net.MalformedURLException:
unknown protocol: blockcontext

something seems to be broken in the trunk ... i will get the version from git and try to build
with that ... in the mean while the error above is it because of the new dojo which we integrated
with cocoon ..  it builds successfully but when starting jetty it throws that error .. do
u get the same error when starting the jetty server ?

> 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, multi-thread-simple-28.09.2008.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/users@cocoon.apache.org/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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