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https://issues.apache.org/jira/browse/HADOOP-7358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13109664#comment-13109664
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Konstantin Shvachko commented on HADOOP-7358:
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Todd, could you provide a patch for trunk as well.
> Improve log levels when exceptions caught in RPC handler
> --------------------------------------------------------
>
> Key: HADOOP-7358
> URL: https://issues.apache.org/jira/browse/HADOOP-7358
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Priority: Minor
> Fix For: 0.22.0
>
> Attachments: hadoop-7358.txt
>
>
> When a server implementation throws an exception handling an RPC, the Handler
> thread catches it and logs it before responding with the exception over the
> IPC channel. This is currently done at INFO level.
> I'd like to propose that, if the exception is an unchecked exception, it
> should be logged at WARN level instead. This can help alert operators when
> they might be hitting some kind of bug.
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