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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4299) Unable to access a file by a different user in the same group when permissions is set to 770 or when permissions is turned OFF
Date Wed, 01 Oct 2008 22:04:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12636198#action_12636198
] 

Hairong Kuang commented on HADOOP-4299:
---------------------------------------

I tried both scenarios. All worked. Did the error message you saw come from the local file
system? Please try using "cat" instead of "get".

> Unable to access a file by a different user in the same group when permissions is set
to 770 or when permissions is turned OFF
> ------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4299
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4299
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.19.0
>            Reporter: Ramya R
>            Assignee: Hairong Kuang
>            Priority: Blocker
>             Fix For: 0.19.0
>
>
> Consider the following two scenarios
> 1)   With permissions ON, start cluster as user A, create a file as user A, chmod 770
file as user A, access file as user B(using 'get' command) 
> The expected behavior would be that user B should be able to access the file since user
A and user B are in the same group. But this is not happening. Instead the following error
message is displayed "get: Permission denied"
> 2)  With permissions ON, start cluster as user A, create a file as user A, chmod 700
file as user A, shut down dfs and turn permissions OFF and start up dfs, access file as user
B(using 'get')
> The expected behavior would be that user B should be able to access the file since permissions
is turned OFF. But this is not happening. Instead the following error message is displayed
"get: Permission denied"

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