[jira] [Created] (FLINK-12458) Throw PartitionNotFoundException if consumer can not establish a connection to remote TM

[Shang Yuanchun (Jira)]

zhijiang created FLINK-12458:
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             Summary: Throw PartitionNotFoundException if consumer can not establish a connection to remote TM
                 Key: FLINK-12458
                 URL: https://issues.apache.org/jira/browse/FLINK-12458
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Network
            Reporter: zhijiang
            Assignee: zhijiang


If the consumer can not establish a connection to remote task executor, which might indicate the remote task executor is not reachable. We could wrap this connection exception into existing `PartitionNotFoundException`, then the job master would decide whether to restart the upstream region to re-producer partition data.



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