rmetzger opened a new pull request #15882:
URL: https://github.com/apache/flink/pull/15882
The Canceling state of Adaptive Scheduler was expecting the ExecutionGraph
to be in state RUNNING when entering the state.
However, the Restarting state is cancelling the ExecutionGraph already, thus
the ExectionGraph can be in state CANCELING or CANCELED when entering the
Canceling state.
Calling the ExecutionGraph.cancel() method in the Canceling state while
being in ExecutionGraph.state = CANCELED || CANCELLED is not a problem.
The change is guarded by a new ITCase, as this issue affects the interplay
between different AS states.
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