[jira] [Closed] (FLINK-11855) Race condition in EmbeddedLeaderService

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

     [ https://issues.apache.org/jira/browse/FLINK-11855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann closed FLINK-11855.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.8.1
                   1.9.0

Fixed via
1.9.0: ccf27ff845836d74bcb94a9b5baf4bc171ea2ff3
1.8.1: 8767a73ce6155923fae184813123a0a327e347fd
1.7.3: 4eb0aebb4832cc0b070afc3bcf0838aebe05578b

> Race condition in EmbeddedLeaderService
> ---------------------------------------
>
>                 Key: FLINK-11855
>                 URL: https://issues.apache.org/jira/browse/FLINK-11855
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>    Affects Versions: 1.7.2, 1.8.0
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.7.3, 1.9.0, 1.8.1
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> There is a race condition in the {{EmbeddedLeaderService}} which can occur if the {{EmbeddedLeaderService}} is shut down before the {{GrantLeadershipCall}} has been executed. In this case, the {{contender}} is nulled which leads to a NPE.



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