title: Why does executing SparkR jobs give Permission denied using Oozie?
body: <p>I am running sparkr through shell script with oozie. When i run the job i am facing permission issue:</p>
  
  <pre><code>Caused by: org.apache.hadoop.security.AccessControlException: Permission denied: user=yarn, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x
  ERROR Utils: Uncaught exception in thread delete Spark local dirs
  java.lang.NullPointerException
  Exception in thread "delete Spark local dirs" java.lang.NullPointerException
  </code></pre>
  
  <p>the overall log..</p>
  
  <pre><code>SLF4J: Class path contains multiple SLF4J bindings.
  SLF4J: Found binding in [jar:file:/opt/cloudera/parcels/CDH-5.4.2-1.cdh5.4.2.p0.2/jars/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  SLF4J: Found binding in [jar:file:/mntc/yarn/nm/filecache/2452/sparkr-  assembly-0.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
  SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
  15/09/08 01:39:11 INFO SparkContext: Running Spark version 1.3.0
  15/09/08 01:39:13 INFO SecurityManager: Changing view acls to: yarn
  15/09/08 01:39:13 INFO SecurityManager: Changing modify acls to: yarn
  15/09/08 01:39:13 INFO SecurityManager: SecurityManager: authentication 
  disabled; ui acls disabled; users with view permissions: Set(yarn); users with modify permissions: Set(yarn)
  15/09/08 01:39:13 INFO Slf4jLogger: Slf4jLogger started
  15/09/08 01:39:13 INFO Remoting: Starting remoting
  15/09/08 01:39:14 INFO Remoting: Remoting started; listening on addresses :  
    /mnt/yarn/nm/usercache/karun/appcache
    /application_1437539731669_0786/blockmgr-1760ec19-b1de-4bcc-9100- b2c1364b54c8 
    /mntc/yarn/nm/usercache/karun/appcache/application_1437539731669_0786/    
     blockmgr-f57c89eb-4a4b-4fd5-9796-ca3c3a7f2c6f
   15/09/08 01:39:14 INFO DiskBlockManager: Created local directory at     
    15/09/08 01:39:14 INFO MemoryStore: MemoryStore started with capacity 265.4 MB
    15/09/08 01:39:15 INFO Utils: Successfully started service 'SparkUI' on port 4040.
      15/09/08 01:39:16 INFO Client: Verifying our application has not requested more than the maximum memory capability of the cluster (6610 MB per container)
      15/09/08 01:39:16 INFO Client: Preparing resources for our AM container
      createSparkContext on edu.berkeley.cs.amplab.sparkr.RRDD failed with  java.lang.reflect.InvocationTargetException
    Caused by: org.apache.hadoop.security.AccessControlException: Permission denied: user=yarn, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x
    Exception in thread "delete Spark local dirs" java.lang.NullPointerException
    Failing Oozie Launcher, Main class [org.apache.oozie.action.hadoop.ShellMain], exit code [1]
  </code></pre>
  
  <p>i dont know how to resolve this issue.any help will be appreciated.</p>