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https://issues.apache.org/jira/browse/HDFS-2671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-2671:
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Attachment: hdfs-2671.txt
Attached patch fixes build now that SBException extends IOException. Tested in
cluster scenario with HDFS-2602 and HDFS-1972.
> HA: NN should throw StandbyException in response to RPCs in STANDBY state
> -------------------------------------------------------------------------
>
> Key: HDFS-2671
> URL: https://issues.apache.org/jira/browse/HDFS-2671
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, name-node
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Critical
> Attachments: hdfs-2671.txt
>
>
> Currently the NN is throwing UnsupportedActionException when it is hit with
> RPCs while in Standby. This is what the StandbyException class is meant for.
> The wrong type is preventing client failover from working as designed.
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