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From "Todd Lipcon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3261) TestHASafeMode fails on HDFS-3042 branch
Date Thu, 12 Apr 2012 06:52:22 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-3261:
------------------------------

    Attachment: hdfs-3261.txt

Patch is simple: goes back to the previous way this test was written, and calls transitionToActive
directly on the NN RPC server, instead of going through the actual RPC layer. Verified that
the test passes with this fix.
                
> 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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