[YARN-9507] Fix NPE in NodeManager#serviceStop on startup failure

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.3.0, 3.2.1, 3.1.3
• Hadoop Flags: Reviewed
• Assignee: Bilwa S T
• Reporter: Bilwa S T
• Created: 24/Apr/19 06:16
• Updated: 03/Jun/19 06:28
• Resolved: 03/Jun/19 06:14

Description

2019-04-24 14:06:44,101 WARN org.apache.hadoop.service.AbstractService: When stopping the service NodeManager
java.lang.NullPointerException
at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceStop(NodeManager.java:492)
at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:220)
at org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:54)
at org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:102)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:172)
at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:947)
at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:1018)