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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-3905) UIMA-AS should not be using System.exit()
Date Fri, 20 Jun 2014 14:27:24 GMT
Jerry Cwiklik created UIMA-3905:

             Summary: UIMA-AS should not be using System.exit()
                 Key: UIMA-3905
                 URL: https://issues.apache.org/jira/browse/UIMA-3905
             Project: UIMA
          Issue Type: Bug
          Components: Async Scaleout
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: 2.6.1AS

There are a few places where UIMA-AS calls System.exit(). This should be removed and a different
approach is needed to force the cleanup. 
In one scenario, the UIMA-AS terminates when configured error threshold is reached for AE.
In another, the UIMA-AS catches java Error like OOM .

If the UIMA-AS is deployed in a Tomcat container for example the exit() kills the jvm which
is a big issue. 

To support embedding in applications, the UIMA-AS must provide a better way to deal with termination
state. One possible approach could be to notify the service wrapper/container that a fatal
state has been detected and have the container call stop to clean things up.

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