[MAPREDUCE-6951] Improve exception message when mapreduce.jobhistory.webapp.address is in wrong format

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.3
• Fix Version/s: 2.9.0, 3.1.0
• Component/s: applicationmaster
• Hadoop Flags: Reviewed
• Assignee: Prabhu Joseph
• Reporter: Prabhu Joseph
• Created: 07/Sep/17 14:00
• Updated: 11/Oct/17 09:55
• Resolved: 11/Oct/17 09:53

Description

MapReduce jobs fails with below exception when mapreduce.jobhistory.webapp.address is in wrong format instead of host:port, example user has set to 19888

java.util.NoSuchElementException 
at com.google.common.base.AbstractIterator.next(AbstractIterator.java:75) 
at org.apache.hadoop.mapreduce.v2.util.MRWebAppUtil.getApplicationWebURLOnJHSWithoutScheme(MRWebAppUtil.java:130) 
at org.apache.hadoop.mapreduce.v2.util.MRWebAppUtil.getApplicationWebURLOnJHSWithScheme(MRWebAppUtil.java:156) 
at org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.doUnregistration(RMCommunicator.java:218) 
at org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.unregister(RMCommunicator.java:188) 
at org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.serviceStop(RMCommunicator.java:268) 
at org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.serviceStop(RMContainerAllocator.java:297) 
at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) 
at org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52) 
at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerAllocatorRouter.serviceStop(MRAppMaster.java:888) 
at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) 
at org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52) 
at org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80) 
at org.apache.hadoop.service.CompositeService.stop(CompositeService.java:157) 
at org.apache.hadoop.service.CompositeService.serviceStop(CompositeService.java:131) 
at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceStop(MRAppMaster.java:1667) 
at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) 
at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.stop(MRAppMaster.java:1168) 
at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.shutDownJob(MRAppMaster.java:603) 
at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobFinishEventHandler$1.run(MRAppMaster.java:651)