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https://issues.apache.org/jira/browse/HDFS-1152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12974022#action_12974022
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Hadoop QA commented on HDFS-1152:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12444449/hdfs-1152.txt
  against trunk revision 1051669.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 new or modified tests.

    -1 patch.  The patch command could not apply the patch.

Console output: 
https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/26//console

This message is automatically generated.

> appendFile does not recheck lease in second synchronized block
> --------------------------------------------------------------
>
>                 Key: HDFS-1152
>                 URL: https://issues.apache.org/jira/browse/HDFS-1152
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.20-append, 0.21.0, 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: appendFile-recheck-lease.txt, hdfs-1152.txt
>
>
> FSN.appendFile is made up of two synchronized sections. The second section 
> assumes that the file has not gotten modified during the unsynchronized part 
> in between. We should recheck the lease in the second block.

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