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https://issues.apache.org/jira/browse/HDFS-2827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Uma Maheswara Rao G updated HDFS-2827:
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Status: Patch Available (was: Open)
Here is a simple patch to handle this issue.
One extra path separator will be appended when source path parent is root
directory. When forming the destination directory, substring is creating the
problem due to this extra path separator.
> Cannot save namespace after renaming a directory above a file with an open
> lease
> --------------------------------------------------------------------------------
>
> Key: HDFS-2827
> URL: https://issues.apache.org/jira/browse/HDFS-2827
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.24.0
> Reporter: Uma Maheswara Rao G
> Assignee: Uma Maheswara Rao G
> Attachments: HDFS-2827-test.patch, HDFS-2827.patch
>
>
> When i execute the following operations and wait for checkpoint to complete.
> fs.mkdirs(new Path("/test1"));
> FSDataOutputStream create = fs.create(new Path("/test/abc.txt")); //dont close
> fs.rename(new Path("/test/"), new Path("/test1/"));
> Check-pointing is failing with the following exception.
> 2012-01-23 15:03:14,204 ERROR namenode.FSImage (FSImage.java:run(795)) -
> Unable to save image for
> E:\HDFS-1623\hadoop-hdfs-project\hadoop-hdfs\build\test\data\dfs\name3
> java.io.IOException: saveLeases found path /test1/est/abc.txt but no matching
> entry in namespace.[/test1/est/abc.txt]
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.saveFilesUnderConstruction(FSNamesystem.java:4336)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImageFormat$Saver.save(FSImageFormat.java:588)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.saveFSImage(FSImage.java:761)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage$FSImageSaver.run(FSImage.java:789)
> at java.lang.Thread.run(Unknown Source)
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