[HADOOP-1935] NullPointerException in internalReleaseCreate

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.15.0
• Fix Version/s: 0.15.0
• Assignee: Dhruba Borthakur
• Reporter: Konstantin Shvachko
• Created: 22/Sep/07 00:40
• Updated: 08/Jul/09 16:42
• Resolved: 01/Oct/07 07:03

Description

The exception occurs during abandonFileInProgress().

07/09/21 13:59:28 ERROR fs.FSNamesystem: java.lang.NullPointerException
        at org.apache.hadoop.dfs.FSNamesystem.internalReleaseCreate(FSNamesystem.java:1494)
        at org.apache.hadoop.dfs.FSNamesystem.access$100(FSNamesystem.java:50)
        at org.apache.hadoop.dfs.FSNamesystem$Lease.releaseLocks(FSNamesystem.java:1385)
        at org.apache.hadoop.dfs.FSNamesystem$LeaseMonitor.run(FSNamesystem.java:1447)
        at java.lang.Thread.run(Thread.java:595)

My guess is that the client sends abandonFileInProgress() after create(), which timed out and was not executed by the name-node.
That is why dir.getFileINode(src) returns null in internalReleaseCreate().