[ https://issues.apache.org/jira/browse/HADOOP-6667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HADOOP-6667:
--------------------------------
Assignee: Todd Lipcon
Status: Patch Available (was: Open)
> RPC.waitForProxy should retry through NoRouteToHostException
> ------------------------------------------------------------
>
> Key: HADOOP-6667
> URL: https://issues.apache.org/jira/browse/HADOOP-6667
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Affects Versions: 0.21.0, 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Minor
> Attachments: hadoop-6667.txt
>
>
> RPC.waitForProxy already loops through ConnectExceptions, but NoRouteToHostException
is not a subclass of ConnectException. In the case that the NN is on a VIP, the No Route To
Host error is reasonably common during a failover, so we should retry through it just the
same as the other connection errors.
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