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https://issues.apache.org/jira/browse/HADOOP-4014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12636474#action_12636474
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Raghu Angadi commented on HADOOP-4014:
--------------------------------------
TestDFSUpgradeFromImage fails on XP about 60-80% of the time with following
trace. This might be because of some flakiness with Cygwin's 'ln'. This patch
seems to fix it. Can we mark this a blocker for 0.19? Konstantin, do you have
an improved patch?
{noformat}
java.io.IOException:
at
org.apache.hadoop.fs.FileUtil$HardLink.createHardLink(FileUtil.java:585)
at
org.apache.hadoop.hdfs.server.datanode.DataStorage.linkBlocks(DataStorage.java:377)
at
org.apache.hadoop.hdfs.server.datanode.DataStorage.linkBlocks(DataStorage.java:393)
at
org.apache.hadoop.hdfs.server.datanode.DataStorage.doUpgrade(DataStorage.java:282)
at
org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:244)
at
org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:148)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:287)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:205)
{noformat}
> DFS upgrade fails on Windows
> ----------------------------
>
> Key: HADOOP-4014
> URL: https://issues.apache.org/jira/browse/HADOOP-4014
> Project: Hadoop Core
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.18.0
> Environment: Windows XP, Windows 2003 Server
> Reporter: NOMURA Yoshihide
> Attachments: HADOOP-4014.patch
>
>
> FileUtil.HardLink#createHardLink() didn't work on Windows, and DFS upgrade of
> Datanode fails.
> The windows command 'fsutil' requires the arguments link name first as
> follows,
> > fsutil hardlink create <link name> <target>
> But the current FileUtil passes the target first.
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