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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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Till Rohrmann resolved FLINK-12458.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.9.0
Fixed via 49e1832056483d17f540a515cc5be7be1654dd48
> 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
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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 new proposed `PartitionConnectionException` which
> also extends `PartitionException`, then the job master would decide whether
> to restart the upstream region to re-producer partition data.
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