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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