Check the NN's logs to see the path which led to this.
On Apr 24, 2011 8:41 AM, "Peng, Wei" <[email protected]> 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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>
>
>
