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Posted to dev@uima.apache.org by "Eddie Epstein (JIRA)" <de...@uima.apache.org> on 2016/10/24 19:47:59 UTC

[jira] [Created] (UIMA-5157) DUCC shutdown sequence leaves agents running

Eddie Epstein created UIMA-5157:
-----------------------------------

             Summary: DUCC shutdown sequence leaves agents running
                 Key: UIMA-5157
                 URL: https://issues.apache.org/jira/browse/UIMA-5157
             Project: UIMA
          Issue Type: Bug
          Components: DUCC
            Reporter: Eddie Epstein
             Fix For: 2.2.0-Ducc


A full DUCC shutdown (./stop_ducc -a) can leave DUCC agents as well as user processes still running after shutdown completes.

The problems are caused because 1) a DUCC agent will hang trying to send inventory update report if the DUCC broker has been terminated, and 2) agents kill user processes sequentially which increases the likelihood that the broker will be terminated before the agent is finished cleaning up.



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