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https://issues.apache.org/jira/browse/HDFS-2281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13096177#comment-13096177
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Hadoop QA commented on HDFS-2281:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12492780/HDFS-2281.1.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
-1 patch. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1190//console
This message is automatically generated.
> NPE in checkpoint during processIOError()
> -----------------------------------------
>
> Key: HDFS-2281
> URL: https://issues.apache.org/jira/browse/HDFS-2281
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.22.0
> Reporter: Konstantin Shvachko
> Assignee: Uma Maheswara Rao G
> Fix For: 0.22.0
>
> Attachments: BN-bug-NPE.txt, HDFS-2281.1.patch, HDFS-2281.patch
>
>
> At the end of checkpoint BackupNode tries to convergeJournalSpool() and calls
> revertFileStreams(). The latter closes each file stream, and tries to rename
> the corresponding file to its permanent location current/edits. If for any
> reason the rename fails processIOError() is called for failed streams.
> processIOError() will try to close the stream again and will get NPE in
> EditLogFileOutputStream.close() because bufCurrent was set to null by the
> previous close.
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