[HADOOP-3118] Namenode NPE while loading fsimage after a cluster upgrade from older disk format

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 0.17.0
• Hadoop Flags: Reviewed
• Assignee: Dhruba Borthakur
• Reporter: Dhruba Borthakur
• Created: 28/Mar/08 17:52
• Updated: 08/Jul/09 16:43
• Resolved: 03/Apr/08 07:02

Description

FSDirectory.unprotectedDelete: failed to remove /user/ran gadi/10Mb because it does not exist
2008-03-27 22:00:10,904 ERROR org.apache.hadoop.dfs.NameNode:
java.lang.NullPointerException
at
org.apache.hadoop.dfs.StringBytesWritable.<init>(StringBytesWritable.java:39)
at
org.apache.hadoop.dfs.INodeFileUnderConstruction.<init>(INode.java:795)
at org.apache.hadoop.dfs.FSEditLog.loadFSEdits(FSEditLog.java:528)
at org.apache.hadoop.dfs.FSImage.loadFSEdits(FSImage.java:766)
at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:640)
at org.apache.hadoop.dfs.FSImage.doUpgrade(FSImage.java:250)
at
org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:217)
at
org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:80)
at
org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:274)
at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:255)
at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:133)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:846)
at org.apache.hadoop.dfs.NameNode.main(NameNode.java:855)