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https://issues.apache.org/jira/browse/UIMA-3580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jerry Cwiklik closed UIMA-3580.
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Resolution: Fixed
Assigned Fix Version
> DUCC Agent sends STOP instead of QUIESCE to a running process
> -------------------------------------------------------------
>
> Key: UIMA-3580
> URL: https://issues.apache.org/jira/browse/UIMA-3580
> Project: UIMA
> Issue Type: Bug
> Components: DUCC
> Affects Versions: 1.0.0-Ducc
> Reporter: Jerry Cwiklik
> Assignee: Jerry Cwiklik
> Priority: Minor
> Fix For: 1.1.0-Ducc
>
>
> On process pre-emption (or explicit service stop), the Agent sends a Stop
> request to a JP or Service instead of Quiesce. The process receiving such
> request, stops all listeners on the input queue and also stops the output
> channel preventing any replies from getting back to the client (JD).
> The above may also explain intermittent problems with GetMeta timing out. It
> looks like GetMeta request comes in, the service receives Stop request and
> immediately proceeds to stop the output channel preventing the reply. The
> window is very small but its possible cause of the timeout.
> If a process is killed via SIGTERM, the registered ShutdownHook correctly
> initiates quiesce.
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