[jira] [Updated] (FLINK-11843) Dispatcher fails to recover jobs if leader change happens during JobManagerRunner termination

["Till Rohrmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-11843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann updated FLINK-11843:
----------------------------------
    Affects Version/s: 1.9.0

> Dispatcher fails to recover jobs if leader change happens during JobManagerRunner termination
> ---------------------------------------------------------------------------------------------
>
>                 Key: FLINK-11843
>                 URL: https://issues.apache.org/jira/browse/FLINK-11843
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>    Affects Versions: 1.7.2, 1.8.0, 1.9.0
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Critical
>
> The {{Dispatcher}} fails to recover jobs if a leader change happens during the {{JobManagerRunner}} termination of the previous run. The problem is that we schedule the start future of the recovered {{JobGraph}} using the {{MainThreadExecutor}} and additionally require that this future is completed before any other recovery operation from a subsequent leadership session is executed. If now the leadership changes, the {{MainThreadExecutor}} will be invalidated and the scheduled future will never be completed.
> The relevant ML thread: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/1-7-1-job-stuck-in-suspended-state-td26439.html



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