[jira] Closed: (UIMA-1439) Fix interemittent hangs in UIMA AS when stopping the JMS listener

["Jerry Cwiklik (JIRA)" <ui...@incubator.apache.org>]

     [ https://issues.apache.org/jira/browse/UIMA-1439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jerry Cwiklik closed UIMA-1439.
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    Resolution: Fixed

> Fix interemittent hangs in UIMA AS when stopping the JMS listener
> -----------------------------------------------------------------
>
>                 Key: UIMA-1439
>                 URL: https://issues.apache.org/jira/browse/UIMA-1439
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>
> When stopping UIMA AS listener, the ThreadPoolTaskExecutor shutdown method is called and the code than waits for all threads managed by the executor to stop. The problem is that listener's stop method may be called from one of the threads that are being managed by the executor. The executor tries to stop the thread and the thread tries to stop the executor. This leads to a hang. 

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