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