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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1891) "." is converted to an empty path
Date Tue, 25 Sep 2007 00:17:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12530021
] 

Chris Douglas commented on HADOOP-1891:
---------------------------------------

I'm uncertain of the correct behavior, here. Absent a filesystem- or a configuration to determine
the default filesystem- there's no "working directory" to resolve. Regrettably, this:

{noformat}
Configuration conf = new Configuration();
Path cwd = new Path(".");
Path kid1 = new Path(parent, "blah");
Path kid2 = new Path(FileSystem.get(conf).getWorkingDirectory(), "blah");
// kid1: blah
// kid2: /home/user/blah
{noformat}

is neither intuitive nor succinct. Paths are evaluated at construction and segments matching
dot are summarily excised as part of URI normalization. Since this fails to do what one would
reasonably expect with "." as a path, would it make sense to throw in this case? Certainly,
Path doesn't have enough information to do much else.

> "." is converted to an empty path
> ---------------------------------
>
>                 Key: HADOOP-1891
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1891
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.14.1
>         Environment: Linux
>            Reporter: Olga Natkovich
>
> Path p = new Path(".");
> System.out.println("path=(" + p.toString() +")");
>  path =()

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