[MAPREDUCE-2970] Null Pointer Exception while submitting a Job, If mapreduce.framework.name property is not set.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.0, 2.0.0-alpha
• Fix Version/s: 0.23.0
• Component/s: job submission, mrv2
• Hadoop Flags: Reviewed
• Assignee: Venu Gopala Rao
• Reporter: Venu Gopala Rao
• Created: 09/Sep/11 13:38
• Updated: 16/Mar/15 17:57
• Resolved: 21/Sep/11 09:15

Description

If mapreduce.framework.name property is not set in mapred-site.xml, Null pointer Exception is thrown.

java.lang.NullPointerException
at org.apache.hadoop.mapreduce.Cluster$1.run(Cluster.java:133)
at org.apache.hadoop.mapreduce.Cluster$1.run(Cluster.java:1)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1135)
at org.apache.hadoop.mapreduce.Cluster.getFileSystem(Cluster.java:131)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:1067)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1089)
at org.apache.hadoop.examples.WordCount.main(WordCount.java:84)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72)
at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:144)
at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:68)
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:189)