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https://issues.apache.org/jira/browse/HADOOP-1034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12475341
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Philippe Gassmann commented on HADOOP-1034:
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More generally, in a bunch of hadoop code, only IOException are caught. (eg:
same issue on DataNode.DataXceiveServer.run())
I think a little cleanup is needed, especially while catching an exception in a
run() of a Thread...
> RuntimeException and Error not catched in DataNode.DataXceiver.run()
> --------------------------------------------------------------------
>
> Key: HADOOP-1034
> URL: https://issues.apache.org/jira/browse/HADOOP-1034
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Reporter: Philippe Gassmann
> Fix For: 0.10.1, 0.11.0, 0.11.1, 0.11.2, 0.12.0
>
> Attachments: patch-catch-throwable
>
>
> Only IOException is catched and logged (in warn).
> Every Throwable should be logged in error.
> Eg: a RuntimeException occurs in the writeBlock() method. The exception will
> not be logged, but simply ignored. The socket is closed silently and nothing
> and an non understandable exception will be thrown in the DFSClient sending
> the block....
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