[HADOOP-2905] fsck -move triggers NPE in namenode

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.16.0
• Fix Version/s: 0.18.0

Environment

hadoop-0.16 with dfs permissions disabled

• Hadoop Flags: Reviewed
• Assignee: Lohit Vijaya Renu
• Reporter: Michael Bieniosek
• Created: 26/Feb/08 21:44
• Updated: 08/Jul/09 16:42
• Resolved: 10/Apr/08 20:37

Description

If I run hadoop fsck / -move, then the fsck fails to move any corrupt files. In the namenode logs, I see this error message repeated 3 times:

2008-02-26 21:19:07,500 INFO org.apache.hadoop.ipc.Server: IPC Server handler 5 on 10000, call mkdirs(/lost+found, null) from x.x.x.135:60819: error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
at org.apache.hadoop.dfs.INode.setPermission(INode.java:123)
at org.apache.hadoop.dfs.INode.setPermissionStatus(INode.java:86)
at org.apache.hadoop.dfs.INode.<init>(INode.java:79)
at org.apache.hadoop.dfs.INodeDirectory.<init>(INode.java:319)
at org.apache.hadoop.dfs.FSDirectory.mkdirs(FSDirectory.java:633)
at org.apache.hadoop.dfs.FSNamesystem.mkdirsInternal(FSNamesystem.java:1569)
at org.apache.hadoop.dfs.FSNamesystem.mkdirs(FSNamesystem.java:1544)
at org.apache.hadoop.dfs.NameNode.mkdirs(NameNode.java:420)
at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:910)
2008-02-26 21:19:07,503 WARN org.apache.hadoop.dfs.NameNode: Cannot initialize /lost+found .

Issue Links

• relates to: HADOOP-3107 fsck failing with NPE