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https://issues.apache.org/jira/browse/HADOOP-4278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12639684#action_12639684
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dhruba borthakur commented on HADOOP-4278:
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If you look at the attached log to this JIRA, one can clearly see that the 
second datanode is being killed by the test. Hoqeer, the killing is done by 
sending interrupts to the second datanode. The PacketResponder thread of the 
second datanode sends back -2 to the first datanode beucase it encounters this 
InterruptedException. The firstdatanode thinks that the second datanode is good 
beucase it did send back a response, so the bad datanode must be the third one 
in the list.


> TestDatanodeDeath failed occasionally
> -------------------------------------
>
>                 Key: HADOOP-4278
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4278
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: dhruba borthakur
>            Priority: Blocker
>             Fix For: 0.19.0
>
>
> TestDatanodeDeath keeps failing occasionally.  For example, see
> http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3365/testReport/

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