[TEZ-928] NPE in last app attempt caused by registering for an RM unregister

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 0.4.0
• Assignee: Hitesh Shah
• Reporter: Siddharth Seth
• Created: 12/Mar/14 21:51
• Updated: 30/Mar/14 08:01
• Resolved: 12/Mar/14 22:03

Description

2014-03-12 14:43:11,407 INFO [main] org.apache.hadoop.service.AbstractService: Service org.apache.tez.dag.app.DAGAppMaster failed in state INITED; cause: java.lang.NullPointerException
java.lang.NullPointerException
        at org.apache.tez.dag.app.rm.TaskSchedulerEventHandler.setShouldUnregisterFlag(TaskSchedulerEventHandler.java:555)
        at org.apache.tez.dag.app.DAGAppMaster.serviceInit(DAGAppMaster.java:338)
        at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at org.apache.tez.dag.app.DAGAppMaster$2.run(DAGAppMaster.java:1737)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
        at org.apache.tez.dag.app.DAGAppMaster.initAndStartAppMaster(DAGAppMaster.java:1734)
        at org.apache.tez.dag.app.DAGAppMaster.main(DAGAppMaster.java:1602)