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From "Ivan Mitic (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8414) Address problems related to localhost resolving to on Windows
Date Fri, 25 May 2012 20:23:23 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13283733#comment-13283733

Ivan Mitic commented on HADOOP-8414:

Thanks for the pointers Daryn! After looking more into this, I came to the following:

InetAddress.getByName("").getHostName() == localhost (on Linux)
InetAddress.getByName("").getHostName() == (on Windows)

Going further, namenode's default filesystem URI is created using the above host name, and
this URI is later used for DFS path resolution.

>From looking at the documentation for InetAddress.getHostName(), it is supposed to perform
a reverse DNS lookup of the address. For some reason, this does not work well for
in Java under Windows. I tried a few other IP addresses, and getByName(IP).getHostName() worked

Do you maybe have other suggestions/alternatives we can use to address the problem?
> Address problems related to localhost resolving to 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, HADOOP-8414-branch-1-win.patch
> Localhost resolves to 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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