[HADOOP-6283] The exception meessage in FileUtil$HardLink.getLinkCount(..) is not clear

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.21.0
• Component/s: fs
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 23/Sep/09 21:55
• Updated: 24/Aug/10 20:40
• Resolved: 08/Oct/09 18:38

Description

When a file is not found, FileUtil$HardLink.getLinkCount(..) shows the following error message.

java.lang.NumberFormatException: For input string: ""
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
	at java.lang.Integer.parseInt(Integer.java:470)
	at java.lang.Integer.parseInt(Integer.java:499)
	at org.apache.hadoop.fs.FileUtil$HardLink.getLinkCount(FileUtil.java:663)
	at org.apache.hadoop.hdfs.server.datanode.ReplicaInfo.detachBlock(ReplicaInfo.java:209)
	...
stat: cannot stat `/home/tsz/hadoop/hdfs/h265/build/test/data/dfs/data/data3/current/finalized/blk_-94418387820168072_1001.meta':
 No such file or directory on file:/home/tsz/hadoop/hdfs/h265/build/test/data/dfs/data/data3/current/finalized/blk_-94418387820168072_1001.meta

It looks like that there was a uncaught NumberFormatException.