Peng Zhang created MAPREDUCE-6213:
-------------------------------------
Summary: NullPointerException caused by job history server addr
not resolvable
Key: MAPREDUCE-6213
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6213
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: jobhistoryserver
Affects Versions: 2.6.0
Reporter: Peng Zhang
Assignee: Peng Zhang
Priority: Minor
When DNS failed for a time, all MapReduce jobs which completed during that time
got failed. Log as below:
{noformat}
2015-01-08 01:26:44,968 ERROR [Thread-856]
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Exception while
unregistering
java.lang.NullPointerException
at
org.apache.hadoop.mapreduce.v2.util.MRWebAppUtil.getApplicationWebURLOnJHSWithoutScheme(MRWebAppUtil.java:135)
at
org.apache.hadoop.mapreduce.v2.util.MRWebAppUtil.getApplicationWebURLOnJHSWithScheme(MRWebAppUtil.java:150)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.doUnregistration(RMCommunicator.java:212)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.unregister(RMCommunicator.java:182)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.serviceStop(RMCommunicator.java:255)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.serviceStop(RMContainerAllocator.java:257)
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$ContainerAllocatorRouter.serviceStop(MRAppMaster.java:823)
at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221)
at
org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52)
at
org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80)
at
org.apache.hadoop.service.CompositeService.stop(CompositeService.java:157)
at
org.apache.hadoop.service.CompositeService.serviceStop(CompositeService.java:131)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceStop(MRAppMaster.java:1471)
at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.stop(MRAppMaster.java:1085)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.shutDownJob(MRAppMaster.java:554)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobFinishEventHandler$1.run(MRAppMaster.java:605)
{noformat}
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