Github user uce commented on the issue:
https://github.com/apache/flink/pull/2913
I removed the `findExecutionAttemptWithId` and only check the latest
attempt. If that does not match the expected producer attempt, I answer with a
`PartitionProducerDisposedException` to which the requesting `Task` reacts with
a `cancelExecution`. I would really like to merge this and kick off a new RC
for 1.1.4 soon.
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