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From "Peng, Wei" <Wei.P...@xerox.com>
Subject RE: HDFS permission denied
Date Mon, 25 Apr 2011 08:14:20 GMT
Thanks for replying me!

I will check the name node log and tmp setting tomorrow.
Jame, do you mean that hadoop will write to tmp directory where I don't
have write permission?

Wei

-----Original Message-----
From: James Seigel [mailto:james@tynt.com] 
Sent: Sunday, April 24, 2011 5:36 AM
To: common-user@hadoop.apache.org
Subject: Re: HDFS permission denied

Check where the hadoop tmp setting is pointing to.

James

Sent from my mobile. Please excuse the typos.

On 2011-04-24, at 12:41 AM, "Peng, Wei" <Wei.Peng@xerox.com> wrote:

> Hi,
>
>
>
> I need a help very bad.
>
>
>
> I got an HDFS permission error by starting to run hadoop job
>
> org.apache.hadoop.security.AccessControlException: Permission denied:
>
> user=wp, access=WRITE, inode="":hadoop:supergroup:rwxr-xr-x
>
>
>
> I have the right permission to read and write files to my own hadoop
> user directory.
>
> It works fine when I use hadoop fs -put. The job input and output are
> all from my own hadoop user directory.
>
>
>
> It seems that when a job starts running, some data need to be written
> into some directory, and I don't have the permission to that
directory.
> It is strange that the inode does not show which directory it is.
>
>
>
> Why does hadoop write something to a directory with my name secretly?
Do
> I need to be set a particular user group?
>
>
>
> Many Thanks..
>
>
>
> Vivian
>
>
>
>
>

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