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https://issues.apache.org/jira/browse/HADOOP-9364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13595377#comment-13595377
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Ivan Mitic commented on HADOOP-9364:
------------------------------------
bq. Sorry I still don't see why the empty check and replacing the File
constructor with Path fixes it.
Hi Arpit, as I mentioned above,
{code}
new File("/dir1").isAbsolute() == false
{code}
"/dir" is an absolute path, and this is where the problem is. Path#isAbsolute
does not have this problem.
The empty check is just for the ".", quoting myself:
{quote}
Additional problem I had to address is passing "." to PathData#expandAsGlob.
Passing "." to Path constructor will run it thru the URI normalization which
will leave an empty string only. Passing an empty string to new
File("").isAbsolute() works fine and returns false, however, new
Path("").isAbsolute() throws.
{quote}
> PathData#expandAsGlob does not return correct results for absolute paths on
> Windows
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-9364
> URL: https://issues.apache.org/jira/browse/HADOOP-9364
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.0.0, trunk-win
> Reporter: Ivan Mitic
> Assignee: Ivan Mitic
> Attachments: HADOOP-9364.2.patch,
> HADOOP-9364.branch-trunk-win.pathdata.patch
>
>
> This causes {{FsShell ls}} not to work properly for absolute paths. For
> example:
> {code}
> -fs hdfs://127.0.0.1:58559 -ls -R /dir0
> {code}
> returns
> {code}
> drwxr-xr-x - ivanmi supergroup 0 2013-03-05 11:15 ../../dir0/dir1
> {code}
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