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https://issues.apache.org/jira/browse/HADOOP-6762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12902557#action_12902557
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Todd Lipcon commented on HADOOP-6762:
-------------------------------------
actually, I might take it back - it looks like you can't pass cause information
into an InterruptedIOException, so it's better to have callers check
e.getCause() instanceof InterruptedException instead? What do you think? The
gridmix case above already checks for ClosedByInterruptException, so it can
easy check for InterruptedException too.
> exception while doing RPC I/O closes channel
> --------------------------------------------
>
> Key: HADOOP-6762
> URL: https://issues.apache.org/jira/browse/HADOOP-6762
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.20.2
> Reporter: sam rash
> Assignee: sam rash
> Attachments: hadoop-6762-1.txt, hadoop-6762-2.txt, hadoop-6762-3.txt,
> hadoop-6762-4.txt, hadoop-6762-6.txt, hadoop-6762-7.txt, hadoop-6762-8.txt,
> hadoop-6762-9.txt
>
>
> If a single process creates two unique fileSystems to the same NN using
> FileSystem.newInstance(), and one of them issues a close(), the leasechecker
> thread is interrupted. This interrupt races with the rpc namenode.renew()
> and can cause a ClosedByInterruptException. This closes the underlying
> channel and the other filesystem, sharing the connection will get errors.
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