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access Permission issure
I use hadoop 2.0 superuser is hadoop
I  use eclipse connection hadoop cluster,but when I create dir throw

 org.apache.hadoop.security.AccessControlException: Permission denied:
user=dyf, access=WRITE, inode="/":hadoop:hadoop:drwxr-xr-x

I set hadoop.security.authorization in core-site.xml ,follow
but hadoop-policy.xml properity all the same *

Who can help me?

Thanks for you help