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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8414) Address problems related to localhost resolving to 127.0.0.1 on Windows
Date Mon, 21 May 2012 22:42:41 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13280573#comment-13280573
] 

Daryn Sharp commented on HADOOP-8414:
-------------------------------------

Odd, for my known knowledge of quirks, does {{InetAddress.getByName(null).getHostName()}}
and {{InetAddress.getByName(null).getCanonicalHostName()}} also return just 127.0.0.1?  This
is a bit dismaying, because the tests are trying to verify that the output contains the _exact
path(s)_ as given on the cmdline.  I spent quite a bit of time ensuring one can parse the
output for a given path.  Allowing either localhost or 127.0.0.1 to match means the tests
won't catch if something mangles the host for non-windows platforms.  I'm not sure how to
deal with that... :(

The majority of the code mangling the authority into another uri, that you had to touch, is
basically trying to convert {{scheme-host:port}} into {{scheme://host:port}}.  Instead of
all the null and -1 checks to rebuild the uri, it seems it would be simpler to just use {{replaceFirst}}.
 It also avoids introducing more ipv6 incompatibilities caused by a naive split on ":".
                
> Address problems related to localhost resolving to 127.0.0.1 on Windows
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-8414
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8414
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs, test
>    Affects Versions: 1.0.0
>            Reporter: Ivan Mitic
>            Assignee: Ivan Mitic
>         Attachments: HADOOP-8414-branch-1-win.patch
>
>
> Localhost resolves to 127.0.0.1 on Windows and that causes the following tests to fail:
>  - TestHarFileSystem
>  - TestCLI
>  - TestSaslRPC
> This Jira tracks fixing these tests and other possible places that have similar issue.

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