[HADOOP-1902] du command throws an exception when the directory is not specified

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.13.1
• Fix Version/s: 0.17.0
• Assignee: Mahadev Konar
• Reporter: Mukund Madhugiri
• Created: 15/Sep/07 01:07
• Updated: 08/Jul/09 16:42
• Resolved: 21/Feb/08 17:49

Description

Running the du command without specifying a directory throws an exception. It runs fine if a directory is specified. Here is the output

mukundm@ucdev28 hadoop]$ bin/hadoop dfs -du
Exception in thread "main" java.lang.IllegalArgumentException: Can not create a Path from an empty string
at org.apache.hadoop.fs.Path.checkPathArg(Path.java:82)
at org.apache.hadoop.fs.Path.<init>(Path.java:90)
at org.apache.hadoop.fs.FsShell.du(FsShell.java:351)
at org.apache.hadoop.fs.FsShell.run(FsShell.java:1040)
at org.apache.hadoop.util.ToolBase.doMain(ToolBase.java:189)
at org.apache.hadoop.fs.FsShell.main(FsShell.java:1092)

[mukundm@ucdev28 hadoop]$ bin/hadoop dfs -du .
Found 2 items
/user/mukundm/input 28578
/user/mukundm/output 747