Sagar Shimpi created MAPREDUCE-4717: ---------------------------------------
Summary: Mapreduce job fails to run after configuring multiple namespaces [HDFS Federation] Key: MAPREDUCE-4717 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4717 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv1 Affects Versions: 0.20.2 Environment: 2 Standalone Desktop with 360Gb HDD and 4GB RAM - Acting as two Namenodes 2 Virtual Machine with 60GB HDD and 1GB RAM - Acting as Job tracker and zookeeper Reporter: Sagar Shimpi I am having setup of 4 nodes with following details - Standalone Desktop-1 -> NameNode1,Tasktracker,Zookeeper,Jobtracker,datanode,HMaster Standalone Desktop-2 -> NameNode2,Tasktracker,datanode.RegionServer Virtual Machine-1 -> Namenode3,Datanode,Tasktracker Virtual Machine-2 -> Namenode4,Datanode,Tasktracker I have configured HDFS Federation with following name service - a) nameservice1 b) oss-hadoop-nameservice While executing Mapreduce job I am getting following error - ================================================================ -bash-4.1$ id uid=496(hdfs) gid=496(hdfs) groups=496(hdfs),497(hadoop) -bash-4.1$ hadoop jar /usr/lib/hadoop-mapreduce/hadoop-mapreduce-examples.jar wordcount /hbase/install.log.syslog /hbase/testing 12/10/10 12:30:21 ERROR security.UserGroupInformation: PriviledgedActionException as:hdfs (auth:SIMPLE) cause:java.io.IOException: viewfs://cluster6/ java.io.IOException: viewfs://cluster6/ at org.apache.hadoop.fs.viewfs.InodeTree.<init>(InodeTree.java:338) at org.apache.hadoop.fs.viewfs.ViewFileSystem$1.<init>(ViewFileSystem.java:178) at org.apache.hadoop.fs.viewfs.ViewFileSystem.initialize(ViewFileSystem.java:178) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2150) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:80) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2184) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2166) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:302) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:194) at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:103) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:844) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1232) at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:844) at org.apache.hadoop.mapreduce.Job.submit(Job.java:481) at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:511) at org.apache.hadoop.examples.WordCount.main(WordCount.java:67) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72) at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:144) at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.util.RunJar.main(RunJar.java:208) -bash-4.1$ ================================================================ -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira