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https://issues.apache.org/jira/browse/HADOOP-11780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated HADOOP-11780:
---------------------------------------------
Target Version/s: (was: 2.7.3)
Removing target-version off this long-standing issue, please add it back once
there is a patch available for release. Tx.
> Prevent IPC reader thread death
> -------------------------------
>
> Key: HADOOP-11780
> URL: https://issues.apache.org/jira/browse/HADOOP-11780
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc
> Affects Versions: 2.0.0-alpha
> Reporter: Daryn Sharp
> Priority: Critical
>
> Reader threads can die to a race condition with the responder thread. If the
> server's ipc handler cannot send a response in one write, it delegates
> sending the rest of the response to the responder thread.
> The race occurs when the responder thread has an exception writing to the
> socket. The responder closes the socket. This wakes up the reader polling
> on the socket. If a {{CancelledKeyException}} is thrown, which is a runtime
> exception, the reader dies. All connections serviced by that reader are now
> in limbo until the client possibly times out. New connections play roulette
> as to whether they are assigned to a defunct reader.
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