Andreas Neumann created TWILL-180:
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             Summary: TwillController.onTerminated() should pass the exit 
status of the apo to the callback
                 Key: TWILL-180
                 URL: https://issues.apache.org/jira/browse/TWILL-180
             Project: Apache Twill
          Issue Type: Improvement
          Components: api, yarn
    Affects Versions: 0.7.0-incubating
            Reporter: Andreas Neumann


Listening to this callback, a client can only find out whether an app has 
terminated, but now how. That makes it hard to distinguish error scenarios: Was 
the app killed by the user? Did it fail? Or did it successfully complete? There 
should be an easy way for the client to find out.



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