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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3261) TestHASafeMode fails on HDFS-3042 branch
Date Thu, 12 Apr 2012 06:54:19 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252248#comment-13252248
] 

Aaron T. Myers commented on HDFS-3261:
--------------------------------------

+1, good sleuthing.
                
> TestHASafeMode fails on HDFS-3042 branch
> ----------------------------------------
>
>                 Key: HDFS-3261
>                 URL: https://issues.apache.org/jira/browse/HDFS-3261
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: Auto failover (HDFS-3042)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Trivial
>         Attachments: hdfs-3261.txt
>
>
> TestHASafeMode started failing on the HDFS-3042 branch after the commit of HADOOP-8247.
The reason is that testEnterSafeModeInANNShouldNotThrowNPE restarts the active node, and then
tries to make an RPC to it right after restarting. The RPC picks up a cached connection to
the old (restarted) NN, which causes an EOFException. This was just due to a test change that
was made in HADOOP-8247, not due to any change made by the actual patch.

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