Improve exception message when mapreduce.jobhistory.webapp.address is in wrong format

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)