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Date: Wed, 25 Jul 2012 14:04:35 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HADOOP-8606) FileSystem.get may return the
 wrong filesystem
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    [ https://issues.apache.org/jira/browse/HADOOP-8606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422282#comment-13422282 ] 

Hudson commented on HADOOP-8606:
--------------------------------

Integrated in Hadoop-Mapreduce-trunk #1147 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1147/])
    HADOOP-8606. FileSystem.get may return the wrong filesystem (Daryn Sharp via bobby) (Revision 1365224)

     Result = FAILURE
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1365224
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileSystemCaching.java

                
> FileSystem.get may return the wrong filesystem
> ----------------------------------------------
>
>                 Key: HADOOP-8606
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8606
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 1.0.0, 0.23.0, 2.0.0-alpha, 3.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 1.2.0, 0.23.3, 3.0.0, 2.2.0-alpha
>
>         Attachments: HADOOP-8606.branch-1.patch, HADOOP-8606.patch
>
>
> {{FileSystem.get(URI, conf)}} will return the default fs if the scheme is null, regardless of whether the authority is null too.  This causes URIs of "//authority/path" to _always_ refer to "/path" on the default fs.  To the user, this appears to "work" if the authority in the null-scheme URI matches the authority of the default fs.  When the authorities don't match, the user is very surprised that the default fs is used.

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