[jira] [Created] (FLINK-20382) Exception thrown from JobMaster.startScheduling() may be ignored.

[Shang Yuanchun (Jira)]

Jiangjie Qin created FLINK-20382:
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             Summary: Exception thrown from JobMaster.startScheduling() may be ignored.
                 Key: FLINK-20382
                 URL: https://issues.apache.org/jira/browse/FLINK-20382
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Coordination
    Affects Versions: 1.11.2
            Reporter: Jiangjie Qin


Currently {{JobMaster.resetAndStartScheduler()}} invokes {{startScheduling()}} in a {{thenRun}} clause without {{exceptionally}} or {{handle}} to handle exceptions. The job may hang if an exception is thrown when starting scheduling, e.g. failed to create operator coordinators. 



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