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From "Bryan Duxbury (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-2097) DistributedFileSystem.listPaths with some paths causes directory to be cleared
Date Wed, 24 Oct 2007 17:52:51 GMT
DistributedFileSystem.listPaths with some paths causes directory to be cleared
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                 Key: HADOOP-2097
                 URL: https://issues.apache.org/jira/browse/HADOOP-2097
             Project: Hadoop
          Issue Type: Bug
          Components: dfs
    Affects Versions: 0.14.2
         Environment: Linux
            Reporter: Bryan Duxbury


I am currently writing a Ruby wrapper to the Java DFS client libraries via JNI. While attempting
to test the listPaths method of the FileSystem class, I discovered that passing a Path URI
like "hdfs://tf11:7276/user/rapleaf" results in the /user/rapleaf directory being cleared
of all contents. A path URI like "hdfs://tf11:7276/user/rapleaf/*" will list the contents
of the directory without damage. 

I have verified this by creating directories and listing via the bin/hadoop dfs -ls command.


Obviously passing an incorrectly formatted string a method that should be read-only should
not have destructive effects. Also, the actual required path syntax for listings should be
recorded in the documentation.

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