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From "Marshall Schor (JIRA)" <uima-...@incubator.apache.org>
Subject [jira] Assigned: (UIMA-1105) CPE is sutck trying to retrieve a free CAS from the pool
Date Wed, 09 Jul 2008 21:45:31 GMT

     [ https://issues.apache.org/jira/browse/UIMA-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Marshall Schor reassigned UIMA-1105:

    Assignee: Marshall Schor

> CPE is sutck trying to retrieve a free CAS from the pool
> --------------------------------------------------------
>                 Key: UIMA-1105
>                 URL: https://issues.apache.org/jira/browse/UIMA-1105
>             Project: UIMA
>          Issue Type: Bug
>          Components: Collection Processing
>    Affects Versions: 2.2.1
>         Environment: Windows XP 32 bits
>            Reporter: Olivier Terrier
>            Assignee: Marshall Schor
>         Attachments: cpe.xml, ProcessingUnit-patch.txt, uima.zip
> Buggy scenario is a CPE with a first remote processor deployed as a Vinci service and
an integrated CAS consumer that throws a ResourceProcessException in its process method.
> It is quite easy to reproduce with a dummy consumer with this implementation
> public void processCas(CAS aCAS) throws ResourceProcessException {
> 	throw new ResourceProcessException(new FileNotFoundException("file not found"));
> }
> It looks like the CPE is stuck trying to retrieve a CAS from the CAS pool that is apparently
empty at some point.
> My feeling is that when you have an ResourceProcessException thrown in the last component
of the CPE, the code that is supposed to release the CAS from the CAS pool is not properly
> If I suspend the process in Eclipse I can see that the CasConsumer and the Collection
Reader pipelines Threads are waiting on the
>  CPECasPool.getCas(long) method
> I attach the uima.log set to the FINEST level

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