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From "Todd Lipcon (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-8068) HA: void methods can swallow exceptions when going through failover path
Date Wed, 15 Feb 2012 18:21:06 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Todd Lipcon resolved HADOOP-8068.

       Resolution: Fixed
    Fix Version/s: HA Branch (HDFS-1623)
     Hadoop Flags: Reviewed

Committed to branch, thanks for reviewing and cluster testing this.
> HA: void methods can swallow exceptions when going through failover path
> ------------------------------------------------------------------------
>                 Key: HADOOP-8068
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8068
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: ha, ipc
>    Affects Versions: HA Branch (HDFS-1623)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>             Fix For: HA Branch (HDFS-1623)
>         Attachments: hadoop-8068.txt
> While running through scale testing, we saw an issue where clients were getting LeaseExpiredExceptions.
We eventually tracked it down to the fact that some {{create}} calls had timed out (having
been sent to a NN just before it crashed) but the resulting exception was swallowed by the
retry policy code paths.

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