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https://issues.apache.org/jira/browse/HADOOP-8068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208197#comment-13208197
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Aaron T. Myers commented on HADOOP-8068:
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+1, the patch looks good to me.
I also tested this patch over night on a cluster and it seems to have fixed the
problem I was observing, which occurred several times without this patch.
> 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
> 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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