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https://issues.apache.org/jira/browse/HADOOP-5942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716217#action_12716217
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Ravi Phulari edited comment on HADOOP-5942 at 6/4/09 3:16 AM:
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This patch prevents execution of chown  , chmod , chgrp , and quota commands 
when namenode is in safemode .  
{code}
  [exec] 
     [exec] There appear to be 492 release audit warnings before the patch and 
492 release audit warnings after applying the patch.
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     [exec] +1 overall.  
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     [exec]     +1 @author.  The patch does not contain any @author tags.
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     [exec]     +1 tests included.  The patch appears to include 50 new or 
modified tests.
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     [exec]     +1 javadoc.  The javadoc tool did not generate any warning 
messages.
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     [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 Eclipse classpath. The patch retains Eclipse classpath 
integrity.
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     [exec]     +1 release audit.  The applied patch does not increase the 
total number of release audit warnings.
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======================================================================
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======================================================================
     [exec]     Finished build.
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======================================================================
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======================================================================
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     [exec] 

BUILD SUCCESSFUL
Total time: 26 minutes 19 seconds


{code}

      was (Author: raviphulari):
    This patch prevents execution of chown  , chmod , chgrp , and quota 
commands when namenode is in safemode .  
  
> Chown , chgrp , chmod operations allowed when namenode is in safemode .
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-5942
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5942
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.15.0, 0.15.1, 0.15.2, 0.15.3, 0.16.0, 0.16.1, 0.16.2, 
> 0.16.3, 0.16.4, 0.17.0, 0.17.1, 0.17.2, 0.18.0, 0.18.1, 0.18.2, 0.18.3, 
> 0.19.0, 0.19.1, 0.20.0
>            Reporter: Ravi Phulari
>            Assignee: Ravi Phulari
>             Fix For: 0.18.3, 0.19.0, 0.19.1, 0.20.0
>
>         Attachments: HADOOP-5942.patch
>
>
> Chown , chgrp , chmod operations allowed when namenode is in safemode .

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