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https://issues.apache.org/jira/browse/FLINK-12458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhijiang updated FLINK-12458:
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Summary: Introduce PartitionConnectionException for unreachable producer
(was: Throw PartitionNotFoundException if consumer can not establish a
connection to remote TM)
> Introduce PartitionConnectionException for unreachable producer
> ---------------------------------------------------------------
>
> 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
> Priority: Minor
>
> 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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