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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] Closed: (UIMA-1850) UIMA AS process error handler incorrectly handles a CAS that arrives after a timeout
Date Fri, 03 Sep 2010 15:54:32 GMT

     [ https://issues.apache.org/jira/browse/UIMA-1850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jerry Cwiklik closed UIMA-1850.
-------------------------------

    Resolution: Fixed

Modified ProcessCasErrrorHandler.handleError() method to stop if from dropping CASes that
have children. 

> UIMA AS process error handler incorrectly handles a CAS that arrives after a timeout
> ------------------------------------------------------------------------------------
>
>                 Key: UIMA-1850
>                 URL: https://issues.apache.org/jira/browse/UIMA-1850
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>    Affects Versions: 2.3AS
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>
> The ProcessErrorHandler drops a CAS that arrives from a delegate late (after a timeout)
without first checking if the CAS has any children. This leads to NPE exception(s) and possible
hangs. The code should first check if the CAS has any children being processed and if so,
leave the CAS in play. The parent CAS will eventually be dropped when its last child is processed.


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