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From "snehil.w" <snehi...@gmail.com>
Subject RE: Error running mahout
Date Mon, 23 Jun 2014 12:46:16 GMT
Looks like the user cloudera..does not have sufficient permissions on the name node?


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-------- Original message --------
From: Shashidhar Rao <raoshashidhar123@gmail.com> 
Date:06/23/2014  1:31 AM  (GMT-06:00) 
To: user@hadoop.apache.org 
Subject: Error running mahout 

Hi,

I am trying to run mahout in my CDH4 installation.

Coomand is : hadoop jar /usr/lib/mahout/mahout-core-0.7-cdh4.6.0-job.jar org.apache.mahout.cf.taste.hadoop.item.RecommenderJob
-s SIMILARITY_COOCCURRENCE --input u.data --output /recommendation

Error : 14/06/22 23:23:00 INFO mapred.JobClient: Task Id : attempt_201406222231_0031_m_000002_0,
Status : FAILED
org.apache.hadoop.security.AccessControlException: Permission denied: user=cloudera, access=WRITE,
inode="/":hdfs:supergroup:drwxr-xr-x
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:224)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:204)

Can you guys please help me in resolving this issue.

Thanks in advance.

Regards,
Shashi
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