Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/2711
Thanks for the review @uce. @StephanEwen actually discovered this problem.
The problem was related to #2700. When the scheduleOrUpdateConsumers call was
triggered when in state restarting due to a late rpc, it would fail the
complete `ExecutionGraph`, because it could not find the respective `Execution`.
Will rebase the PR, because release-1.1 contained a problem which prevented
it from building.
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