change to user hdfs and run the same command or grant user cloudera hdfs superadmin permissions
On Mon, Jun 23, 2014 at 12:01 PM, Shashidhar Rao <[email protected] > wrote: > 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 > -- Nitin Pawar
