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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-5037) UIMA-DUCC: Agent not reporting child process GC sometimes
Date Tue, 02 Aug 2016 20:35:20 GMT
Jerry Cwiklik created UIMA-5037:

             Summary: UIMA-DUCC: Agent not reporting child process GC sometimes
                 Key: UIMA-5037
                 URL: https://issues.apache.org/jira/browse/UIMA-5037
             Project: UIMA
          Issue Type: Bug
          Components: DUCC
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: future-DUCC

Looks like another race in agent process metrics gathering. This time, for some processes
the garbage collection metrics are missing. An agent collects these by connecting to a remote
process using jmx and querring the MBean server. 

Looking at the agent's log it appears that the class responsible for GC metrics gathering
is initialized before the remote process sends its first status update which includes jmx
connect string. If the jmx string is missing at the time of class initialization, GC metrics
are not collected.

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