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https://issues.apache.org/jira/browse/HDFS-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12913831#action_12913831
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Tsz Wo (Nicholas), SZE commented on HDFS-1304:
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{noformat}
     [exec] +1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 9 new or 
modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning 
messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number 
of javac compiler warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs 
warnings.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the 
total number of release audit warnings.
     [exec] 
     [exec]     +1 system tests framework.  The patch passed system tests 
framework compile.
     [exec] 
{noformat}
I also have run the new unit test.  It works fine.

> There is no unit test for HftpFileSystem.open(..)
> -------------------------------------------------
>
>                 Key: HDFS-1304
>                 URL: https://issues.apache.org/jira/browse/HDFS-1304
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: test
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: h1304_20100921.patch, h1304_20100922.patch
>
>
> HftpFileSystem.open(..) first opens an URL connection to namenode's 
> FileDataServlet and then is redirected to datanode's StreamFile servlet.  
> Such redirection does not work in the unit test environment because the 
> redirect URL uses real hostname instead of localhost.
> One way to get around it is to use fault-injection in order to replace the 
> real hostname with localhost.

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