[jira] [Created] (FLINK-22284) Null address will be logged when channel is closed in NettyPartitionRequestClient

[Shang Yuanchun (Jira)]

Zhilong Hong created FLINK-22284:
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             Summary: Null address will be logged when channel is closed in NettyPartitionRequestClient
                 Key: FLINK-22284
                 URL: https://issues.apache.org/jira/browse/FLINK-22284
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Network
    Affects Versions: 1.13.0
            Reporter: Zhilong Hong
             Fix For: 1.13.0


In NettyPartitionRequestClient#requestSubpartition, when channel is closed, the channel will throw a LocalTransportException with the error message "Sending the partition request to 'null' failed.". The message is confusing since we wouldn't know where the remote client connected to this channel locates, and we couldn't track down to that TaskExecutor and find out what happened.

 

Also I'm wondering that should we use TransportException instead of LocalTransportException here, because it's a little confusing to see a LocalTransportException is thrown out when a remote channel is closed.



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