Rahul Jain created MAPREDUCE-4279:
-------------------------------------
Summary: getClusterStatus() fails with null pointer exception when
running jobs in local mode
Key: MAPREDUCE-4279
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4279
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: jobtracker
Affects Versions: 0.23.1
Reporter: Rahul Jain
While migrating code from 0.20.2 hadoop codebase to 0.23.1 we encountered this
issue for jobs run in local mode of execution:
{code}
java.lang.NullPointerException
at
org.apache.hadoop.mapred.JobClient.arrayToStringList(JobClient.java:783)
at org.apache.hadoop.mapred.JobClient.access$600(JobClient.java:138)
at org.apache.hadoop.mapred.JobClient$4.run(JobClient.java:815)
at org.apache.hadoop.mapred.JobClient$4.run(JobClient.java:812)
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:1177)
at
org.apache.hadoop.mapred.JobClient.getClusterStatus(JobClient.java:812)
{code}
We are using cloudera distribution CDH4b2 for testing, however the underlying
code is 0.23.1 and I could see no difference in this implementation.
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