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https://issues.apache.org/jira/browse/HDFS-7118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149263#comment-14149263
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Hudson commented on HDFS-7118:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1908 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1908/])
HDFS-7118. Improve diagnostics on storage directory rename operations by using
NativeIO#renameTo in Storage#rename. Contributed by Chris Nauroth. (cnauroth:
rev e0b1dc514f1b9e26b21d97ece0d94cd9c827fc59)
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileJournalManager.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Improve diagnostics on storage directory rename operations by using
> NativeIO#renameTo in Storage#rename.
> --------------------------------------------------------------------------------------------------------
>
> Key: HDFS-7118
> URL: https://issues.apache.org/jira/browse/HDFS-7118
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: journal-node, namenode
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Fix For: 2.6.0
>
> Attachments: HDFS-7118.1.patch
>
>
> If a file rename fails, {{NativeIO#renameTo}} includes more information about
> the root cause than a plain {{java.io.File#renameTo}}. The native code can
> throw an exception with a detailed error message and the {{errno}} on *nix or
> the value of {{GetLastError}} on Windows. This issue proposes to use
> {{NativeIO#renameTo}} inside or in place of {{Storage#rename}} to help
> improve diagnostics. The method falls back to {{java.io.File#renameTo}} if
> native code is not loaded, so this change would not introduce a compatibility
> problem for deployments running without native code.
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