[MAPREDUCE-4071] NPE while executing MRAppMaster shutdown hook

• Type: Bug
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.23.3, 2.0.0-alpha
• Component/s: mr-am, mrv2
• Labels: BB2015-05-TBR
• Assignee: Unassigned
• Reporter: Bhallamudi Venkata Siva Kamesh
• Created: 27/Mar/12 08:41
• Updated: 06/May/15 03:27

Description

While running the shutdown hook of MRAppMaster, hit NPE

Exception in thread "Thread-1" java.lang.NullPointerException
	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerAllocatorRouter.setSignalled(MRAppMaster.java:668)
	at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$MRAppMasterShutdownHook.run(MRAppMaster.java:1004)