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https://issues.apache.org/jira/browse/UIMA-2038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jerry Cwiklik reopened UIMA-2038:
---------------------------------
Not all listener threads shutdown causing a memory leak while running extended
tests.
> 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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