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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2827) Cannot save namespace after renaming a directory above a file with an open lease
Date Tue, 31 Jan 2012 18:06:10 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13197055#comment-13197055
] 

Aaron T. Myers commented on HDFS-2827:
--------------------------------------

bq. Hi Aaron, sorry that I did not see you message earlier. You can still review it and, if
you find any problem, please feel free to revert it.

No biggie. I'll take a look now.

bq. BTW, the patch is available for more than a week and Uma has particularly asked you to
take a look ...

Yea, Uma also emailed me offline and I told him I would take a look at it, but it wasn't my
highest priority at the moment because of some deadlines I had yesterday. Hence, I had intended
to look today. I probably should've said that on this JIRA. :)
                
> 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
>             Fix For: 0.24.0, 0.23.1
>
>         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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