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https://issues.apache.org/jira/browse/HADOOP-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12530191
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chris.douglas edited comment on HADOOP-1891 at 9/25/07 11:20 AM:
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> Hmm. It does what I'd expect. "./foo" and "foo" name the same file, no?
> What's unexpected?
Well, "." and {{fs.getWorkingDirectory()}} aren't the same thing, as in the
above example. That was surprising to me, at least. Path can keep enough
information after URI normalization to know that the original was a relative
path when the string is "./foo", but not when it's simply "."
Path already throws when it gets an empty string; would it be reasonable to
assume that a Path successfully constructed as the empty string refers to the
working directory? I can't think of a situation where reporting its URI as
Path.CUR_DIR would be an error. It would also work in {{new Path("foo/bar",
"../..")}}, etc.
What problem is this causing?
[Edit]
We'd also see fewer bugs like HADOOP-1902
was (Author: chris.douglas):
> Hmm. It does what I'd expect. "./foo" and "foo" name the same file, no?
What's unexpected?
Well, "." and {{fs.getWorkingDirectory()}} aren't the same thing, as in the
above example. That was surprising to me, at least. Path can keep enough
information after URI normalization to know that the original was a relative
path when the string is "./foo", but not when it's simply "."
Path already throws when it gets an empty string; would it be reasonable to
assume that a Path successfully constructed as the empty string refers to the
working directory? I can't think of a situation where reporting its URI as
Path.CUR_DIR would be an error. It would also work in {{new Path("foo/bar",
"../..")}}, etc.
What problem is this causing?
> "." 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
> Assignee: Chris Douglas
>
> Path p = new Path(".");
> System.out.println("path=(" + p.toString() +")");
> path =()
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