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https://issues.apache.org/jira/browse/SAMZA-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cameron Lee updated SAMZA-1756:
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Summary: System exit calls in ApplicationRunnerMain break ProcessJob and
cause unit tests to get skipped (was: ProcessJob no longer works since
ApplicationRunnerMain does a System.exit)
> System exit calls in ApplicationRunnerMain break ProcessJob and cause unit
> tests to get skipped
> -----------------------------------------------------------------------------------------------
>
> Key: SAMZA-1756
> URL: https://issues.apache.org/jira/browse/SAMZA-1756
> Project: Samza
> Issue Type: Bug
> Affects Versions: 0.15
> Reporter: Cameron Lee
> Assignee: Cameron Lee
> Priority: Major
>
> A recent change from SAMZA-1724 introduced a System.exit call at the end of
> ApplicationRunnerMain. However, ProcessJob has a non-daemon thread that needs
> to stay alive in order to deploy the container and then shut down the job
> model manager after the container shuts down.
> The System.exit will either:
> # Kill the ProcessJob thread before it can start the process
> # Kill the job model manager from ProcessJobFactory, so the new container
> process (if it does get started) is unable to reach the coordinator to get
> configs
> From what I can tell, the System.exit was there to be defensive, but there
> was no explicit case that it was fixing right now. For now, we can remove
> this System.exit until we have a better way to handle this ProcessJob case.
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