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From Shashidhar Rao <raoshashidhar...@gmail.com>
Subject Error running mahout
Date Mon, 23 Jun 2014 06:31:53 GMT
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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