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From "Andrew Look (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7418) support for multiple slashes in the path separator
Date Tue, 28 Jun 2011 22:51:28 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13056865#comment-13056865
] 

Andrew Look commented on HADOOP-7418:
-------------------------------------

Great, thanks Aaron! 

I'm running OS X Snow Leopard so that may be causing problems on my end... I've heard of others
having trouble building the C++ libraries in HDFS (see http://cxwangyi.blogspot.com/2010_04_01_archive.html
) and apparently some mods need to be made to get things to run correctly.

Have you heard of any such issues on OS X?

> support for multiple slashes in the path separator
> --------------------------------------------------
>
>                 Key: HADOOP-7418
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7418
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.23.0
>         Environment: Linux running JDK 1.6
>            Reporter: Sudharsan Sampath
>            Assignee: Andrew Look
>            Priority: Minor
>              Labels: newbie
>             Fix For: 0.23.0
>
>         Attachments: HADOOP-7418.txt, HDFS-1460.txt, HDFS-1460.txt
>
>
> the parsing of the input path string to identify the uri authority conflicts with the
file system paths. For instance the following is a valid path in both the linux file system
and the hdfs.
> //user/directory1//directory2.
> While this works perfectly fine in the command line for manipulating hdfs, the same fails
when specified as the input path for a mapper class with the following expcetion.
> Exception in thread "main" java.net.UnknownHostException: unknown host: user
>         at org.apache.hadoop.ipc.Client$Connection.<init>(Client.java:195)
> as the org.apache.hadoop.fs.Path class assumes the string that follows the '//' to be
an uri authority

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