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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7121) Exceptions while serializing IPC call response are not handled well
Date Wed, 01 Jun 2011 02:02:47 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HADOOP-7121:
--------------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]
          Status: Resolved  (was: Patch Available)

Committed to trunk and 22. Thanks for reviewing, Eli

> Exceptions while serializing IPC call response are not handled well
> -------------------------------------------------------------------
>
>                 Key: HADOOP-7121
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7121
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>              Labels: newbie
>             Fix For: 0.22.0
>
>         Attachments: hadoop-7121.txt, hadoop-7121.txt, hadoop-7121.txt
>
>
> We had a situation where for some reason the serialization of an RPC call's response
was throwing OOME. When this happens, the exception is not caught, and the call never gets
a response - the client just hangs. Additionally, the OOME propagated all the way to the top
of the IPC handler and caused the handler. Plus, the Handler upon exit only logged to stdout
and not to the log4j logs.

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