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

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-11855:
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             Summary: 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
             Fix For: 1.7.3, 1.8.0


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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