[HADOOP-3509] FSNamesystem.close() throws NullPointerException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.18.0
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 06/Jun/08 19:22
• Updated: 22/Aug/08 19:50
• Resolved: 07/Jun/08 00:01

Description

During NameNode startup, if there is an exception thrown before FSNamesystem.dir is created, we will get a NullPointerException.

2008-06-06 12:07:21,203 ERROR org.apache.hadoop.dfs.NameNode: java.lang.NullPointerException
	at org.apache.hadoop.dfs.FSNamesystem.close(FSNamesystem.java:465)
	at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:253)
	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:148)
	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:193)
	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:179)
	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:822)
	at org.apache.hadoop.dfs.NameNode.main(NameNode.java:831)