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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Closed] (UIMA-3594) UIMA-AS not stopping Listener executor on shutdown
Date Fri, 25 Apr 2014 21:03:17 GMT

     [ https://issues.apache.org/jira/browse/UIMA-3594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jerry Cwiklik closed UIMA-3594.

    Resolution: Fixed

Improved accounting of listener objects to assure that each executor and associated thread
pool are shutdown cleanly on process exit. Fixes hanging threads observed while running extended

> UIMA-AS not stopping Listener executor on shutdown
> --------------------------------------------------
>                 Key: UIMA-3594
>                 URL: https://issues.apache.org/jira/browse/UIMA-3594
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>    Affects Versions: 2.4.2AS
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>             Fix For: 2.5.0AS
> There appears to be a thread leak in the uima-as jms listener. When running extended
tests, the number of threads seem to increase over time. It looks like Executor plugged in
into Spring Listener is not being shutdown sometimes leaving its thread(s) running. 
> The listener threads run as daemon threads so on jvm exit they are shutdown. So this
leak may only effect applications that deploy/undeploy collocated (same jvm) UIMA-AS services.

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