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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
Unknown

There is a small window where the race can occur.



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