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From "Burn Lewis (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-5779) DUCC should tolerate DB errors
Date Mon, 21 May 2018 19:52:00 GMT
Burn Lewis created UIMA-5779:
--------------------------------

             Summary: DUCC should tolerate DB errors
                 Key: UIMA-5779
                 URL: https://issues.apache.org/jira/browse/UIMA-5779
             Project: UIMA
          Issue Type: Bug
          Components: DUCC
            Reporter: Burn Lewis
            Assignee: Burn Lewis
             Fix For: 2.2.3-Ducc


If the DB fails the daemons merely log the problem and carry on in a bad state.

The SM will not persist any registry changes and will confuse the WS

The RM thread handling node updates is blocked by synchronized methods in the scheduler and
cause nodes to be falsely purged of their work

The OR fails writing the checkpoint



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