dfs mkdir command differs from POSIX standards
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Key: HADOOP-2195
URL: https://issues.apache.org/jira/browse/HADOOP-2195
Project: Hadoop
Issue Type: Bug
Components: dfs
Affects Versions: 0.15.1, 0.16.0
Reporter: Mukund Madhugiri
Fix For: 0.16.0
Assuming the dfs commands follow POSIX standards, there are some problems with
the DFS mkdir command. I compared the DFS output with that of RHEL 4u5:
1. mkdir a directory that exists:
Linux: mkdir: cannot create directory `test': File exists
DFS: No output
2. mkdir a directory with the name of a file that already exists:
- Linux: mkdir: `test/one' exists but is not a directory
- DFS: mkdir: java.io.IOException: Invalid directory name: <home
directory>/test/one
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