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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Closed] (UIMA-3665) UIMA-AS JmsStub code not clearing static Map
Date Tue, 04 Mar 2014 20:51:43 GMT

     [ https://issues.apache.org/jira/browse/UIMA-3665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jerry Cwiklik closed UIMA-3665.
-------------------------------

    Resolution: Fixed

> UIMA-AS JmsStub code not clearing static Map
> --------------------------------------------
>
>                 Key: UIMA-3665
>                 URL: https://issues.apache.org/jira/browse/UIMA-3665
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>    Affects Versions: 2.4.2AS
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>             Fix For: 2.5.0AS
>
>
> The UIMA-AS JmsAnalysisEngineServiceStub contains a static Map which holds a reference
to a shared UIMA-AS client instance. This shared client is used by all AE instances in the
JVM.
> This implementation causes the extended tests to fail. There are a number junit tests
that test different scenarios where JmsAnalysisEngineServiceStub  is used. The first such
test succeeds but subsequent ones fail with Exception "Uima EE Client Not in Running State".

> This is caused by the fact that the static Map in JmsAnalysisEngineServiceStub is not
being cleared when each test is done. It contains a stale reference from the previous junit
test. This stale reference has been stopped and its "running" flag=false causing the above
mentioned exception.
> There is also another problem related to the lifecycle mgmt of the shared uima-as client
instance. In the current code, the shared instance is stopped   when destroy() method is called.
This method is called N times, where N= number of AE instances. So on the first destroy()
call, the uima-as client is stopped leaving the client in !running state. Subsequent invocations
to sendAndReceive will fail again with above mentioned exception.



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