Jörn Kottmann (JIRA | 1 Mar 10:42 2011
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[jira] Reopened: (UIMA-2038) UIMA AS process does not terminate reliably


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https://issues.apache.org/jira/browse/UIMA-2038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jörn Kottmann reopened UIMA-2038:
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> UIMA AS process does not terminate reliably
> -------------------------------------------
>
>                 Key: UIMA-2038
>                 URL: https://issues.apache.org/jira/browse/UIMA-2038
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>    Affects Versions: 2.3.1AS
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>             Fix For: 2.3.1AS
>
>
> UIMA AS two stop options dont seem to work reliably. Neither 's' nor 'q' on the command line force a clean
shutdown of the process. Actually, there is also a related problem. Namely, when the shutdown succeeds it
appears that the Shared Connection that all Spring listeners use is not closed which leads to an ugly
exception on the broker console. This happens every time the service is terminated. Review listeners
shutdown code and make sure that when the last listener terminates the connection is stopped before the
process exits. Also, make sure that uima threads from custom pools are daemon threads to allow the jvm to
collect them on shutdown. NOTE: AMQ version 4.x internal threads are not daemon threads and there is
special code in the listener to wait for them to stop before exiting. Newer AMQ version use daemon threads
so shutting down AMQ is much more reliable.    

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