[HDFS-2827] Cannot save namespace after renaming a directory above a file with an open lease

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.23.1, 1.2.0
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Uma Maheswara Rao G
• Reporter: Uma Maheswara Rao G
• Created: 23/Jan/12 09:34
• Updated: 10/Mar/15 02:26
• Resolved: 02/Feb/12 09:49

Description

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)