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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-6061) UIMA-DUCC: Fix race in agent
Date Mon, 10 Jun 2019 21:23:00 GMT
Jerry Cwiklik created UIMA-6061:

             Summary: UIMA-DUCC: Fix race in agent
                 Key: UIMA-6061
                 URL: https://issues.apache.org/jira/browse/UIMA-6061
             Project: UIMA
          Issue Type: Bug
          Components: DUCC
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: 3.0.1-Ducc

There is a race condition in agent which leads to incorrect process reporting in Duccmon.
In this scenario the following happened:
 * agent started JP
 * JP reported Initializing state which agent then publishes to the OR
 * JP reported Running state but immediately after died due to process error. The agent detected
process termination (before publishing Running to OR) and changed state to failed with reason

There is a small window where the race can occur.

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