Looks like the user cloudera..does not have sufficient permissions on the name node?
Sent via the Samsung GALAXY S®4, an AT&T 4G LTE smartphone -------- Original message -------- From: Shashidhar Rao <[email protected]> Date:06/23/2014 1:31 AM (GMT-06:00) To: [email protected] 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
