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https://issues.apache.org/jira/browse/FLINK-22284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17345997#comment-17345997
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Piotr Nowojski edited comment on FLINK-22284 at 5/17/21, 9:15 AM:
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Sounds good to me. Do you want to open a PR for this improvement?
was (Author: pnowojski):
Do you want to open a PR for this improvement?
> 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
> Priority: Minor
> Fix For: 1.14.0
>
> Attachments: exception.png
>
>
> In NettyPartitionRequestClient#requestSubpartition, when a 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.
>
> !exception.png!
>
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