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https://issues.apache.org/jira/browse/UIMA-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12611608#action_12611608
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Olivier Terrier commented on UIMA-1105:
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Not it is not (see attached CPE descriptor)
> 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
> Attachments: cpe.xml, 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 called...
> 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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