[MAPREDUCE-3392] Cluster.getDelegationToken() throws NPE if client.getDelegationToken() returns null.

• Type: Sub-task
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.23.0, 2.0.0-alpha
• Fix Version/s: 0.23.1
• Hadoop Flags: Reviewed
• Release Note: Fixed Cluster's getDelegationToken's API to return null when there isn't a supported token.
• Assignee: John George
• Reporter: John George
• Created: 10/Nov/11 15:31
• Updated: 10/Mar/15 04:32
• Resolved: 10/Nov/11 19:22

Description

Caused by: java.lang.NullPointerException
at org.apache.hadoop.mapreduce.Cluster.getDelegationToken(Cluster.java:399)
at org.apache.hadoop.mapred.JobClient.getDelegationToken(JobClient.java:1074)
at
org.apache.oozie.service.KerberosHadoopAccessorService.createJobClient(KerberosHadoopAccessorService.java:139)
at org.apache.oozie.action.hadoop.JavaActionExecutor.createJobClient(JavaActionExecutor.java:810)
at org.apache.oozie.action.hadoop.JavaActionExecutor.submitLauncher(JavaActionExecutor.java:551)