[jira] [Created] (FLINK-3314) Early cancel calls can cause Tasks to not cancel properly

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-3314:
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             Summary: Early cancel calls can cause Tasks to not cancel properly
                 Key: FLINK-3314
                 URL: https://issues.apache.org/jira/browse/FLINK-3314
             Project: Flink
          Issue Type: Bug
          Components: Local Runtime
    Affects Versions: 1.0.0
            Reporter: Stephan Ewen
            Assignee: Stephan Ewen
            Priority: Blocker
             Fix For: 1.0.0


When a task receives the "cancel()" call before the operators are properly instantiated, it can be that the operator never receives a cancel call.

In certain cases, this causes the operator to hang.




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