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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Closed] (UIMA-5037) UIMA-DUCC: Agent not reporting child process GC sometimes
Date Mon, 12 Feb 2018 22:19:00 GMT

     [ https://issues.apache.org/jira/browse/UIMA-5037?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jerry Cwiklik closed UIMA-5037.
    Resolution: Duplicate

Duplicate of UIMA-5537

> 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
>            Priority: Major
>             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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