George Smith created HADOOP-15233:
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Summary: PathData invalid relativize for root and root dir
Key: HADOOP-15233
URL: https://issues.apache.org/jira/browse/HADOOP-15233
Project: Hadoop Common
Issue Type: Bug
Components: common, fs, tools
Affects Versions: 3.0.0, 2.7.3
Reporter: George Smith
Attachments: stacktrace.txt
Let's say current working directory is set to "/"
(FileSystem.setCurrentWorkingDirectory()) and there is "/test" folder on HDFS.
when I call
{code:java}
org.apache.hadoop.fs.shell.PathData.expandAsGlob("test", new Configuration());
{code}
(the relative path to _test_ is an intention)
then I get PathData with a "../test" path. But such path is invalid. The
problem is probably inside Path.relativize method, where for "/" and "test" the
"../test" is produced.
What I really want is to call "*rm -R test*" command with cwd set to root
("/"), but it won't work because command expands it to invalid path
(DFSUtil.isValidName(result) is false).
Using relative paths will work fine for another cwd except the root. This is
just the only special case for which it fails.
Stacktrace attached for more details.
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