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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8015) ChRootFileSystem should extend FilterFileSystem
Date Thu, 02 Feb 2012 22:24:53 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199289#comment-13199289
] 

Hadoop QA commented on HADOOP-8015:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12513043/HADOOP-8015.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/559//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/559//console

This message is automatically generated.
                
> ChRootFileSystem should extend FilterFileSystem
> -----------------------------------------------
>
>                 Key: HADOOP-8015
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8015
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: HADOOP-8015.patch
>
>
> {{ChRootFileSystem}} simply extends {{FileSystem}}, and attempts to delegate some methods
to the underlying mount point.  It is essentially the same as {{FilterFileSystem}} but it
mangles the paths to include the chroot path.  Unfortunately {{ChRootFileSystem}} is not delegating
some methods that should be delegated.  Changing the inheritance will prevent a copy-n-paste
of code for HADOOP-8013 and HADOOP-8014 into both {{ChRootFileSystem}} and {{FilterFileSystem}}.

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