[jira] [Created] (FLINK-9910) Non-queued scheduling failure sometimes does not return the slot

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-9910:
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             Summary: Non-queued scheduling failure sometimes does not return the slot
                 Key: FLINK-9910
                 URL: https://issues.apache.org/jira/browse/FLINK-9910
             Project: Flink
          Issue Type: Bug
          Components: Distributed Coordination
    Affects Versions: 1.5.1, 1.6.0, 1.7.0
            Reporter: Till Rohrmann
            Assignee: Till Rohrmann
             Fix For: 1.5.2, 1.6.0


Similar to FLINK-9908, it can happen that in case of a non-queued scheduling failure a slot is not properly returned to the {{SlotPool}}. The reason for the failure seems to be the exceptional completion of the {{allocationFuture}} in {{Execution#scheduleForExecution}}.



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