[jira] [Resolved] (SAMZA-1724) Guarantee exit from ApplicationRunnerMain during deploys

["Prateek Maheshwari (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SAMZA-1724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prateek Maheshwari resolved SAMZA-1724.
---------------------------------------
    Resolution: Fixed

> Guarantee exit from ApplicationRunnerMain during deploys
> --------------------------------------------------------
>
>                 Key: SAMZA-1724
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1724
>             Project: Samza
>          Issue Type: Bug
>            Reporter: Prateek Maheshwari
>            Assignee: Prateek Maheshwari
>            Priority: Major
>
> When running in YARN, control script runs ApplicationRunnerMain to start/stop/get status for jobs. It parses the output of the process after it exits and looks for a particular string to check job status.
> Currently ApplicationRunnerMain's main method just returns at the end of execution. This can cause the process to get stuck (i.e. not exit) if there are still non-daemon threads running becuase some code didn't't shut down its executor services during shutdown.
> We should directly exit with System.exit(0) at the end of main to guarantee shutdown.



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