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From Jörn Kottmann (JIRA) <uima-...@incubator.apache.org>
Subject [jira] Commented: (UIMA-1499) Potential ClassCastException in CasPool
Date Tue, 18 Aug 2009 07:53:15 GMT

    [ https://issues.apache.org/jira/browse/UIMA-1499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12744406#action_12744406
] 

Jörn Kottmann commented on UIMA-1499:
-------------------------------------

Adam Lally already commented on the dev list:
"Good catch, that javadoc does seem to be wrong.  I wonder if it was
correct at some point in the past and the code has changed? "

> Potential ClassCastException in CasPool
> ---------------------------------------
>
>                 Key: UIMA-1499
>                 URL: https://issues.apache.org/jira/browse/UIMA-1499
>             Project: UIMA
>          Issue Type: Bug
>          Components: Core Java Framework
>    Affects Versions: 2.3
>            Reporter: Jörn Kottmann
>             Fix For: 2.3
>
>
> The CasPool has a constructor
> CasPool(int aNumInstances, Collection aComponentDescriptionsOrMetaData,
>         Properties aPerformanceTuningSettings, ResourceManager
> aResourceManager)
> where aComponentDescriptionsOrMetaData is a collection which can contain
> according
> to javadoc "AnalysisEngineDescription, CollectionReaderDescription,
> CasConsumerDescription or ProcessingResourceMetaData objects"
> A reference of the Collection is passed to fillPool which passes the
> Collection
> to a CasDefinition constructor which then casts everything to
> ProcessingResourceMetaData,
> which will result in a ClassCastException in the case of
> AnalysisEngineDescription,
> CollectionReaderDescription and CasConsumerDescription objects. 

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