Oleksandr Shevchenko created MAPREDUCE-7137:
-----------------------------------------------
Summary: MRAppBenchmark.benchmark1() fails with
NullPointerException
Key: MAPREDUCE-7137
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7137
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: test
Reporter: Oleksandr Shevchenko
MRAppBenchmark.benchmark1() fails with NullPointerException:
1. We do not set any queue for this test. As the result we got the following
exception:
{noformat}
2018-09-10 17:04:23,486 ERROR [Thread-0] rm.RMCommunicator
(RMCommunicator.java:register(177)) - Exception while registering
java.lang.NullPointerException
at org.apache.avro.util.Utf8$2.toUtf8(Utf8.java:123)
at org.apache.avro.util.Utf8.getBytesFor(Utf8.java:172)
at org.apache.avro.util.Utf8.<init>(Utf8.java:39)
at
org.apache.hadoop.mapreduce.jobhistory.JobQueueChangeEvent.<init>(JobQueueChangeEvent.java:35)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.setQueueName(JobImpl.java:1167)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.register(RMCommunicator.java:174)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.serviceStart(RMCommunicator.java:122)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.serviceStart(RMContainerAllocator.java:280)
at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
at
org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:121)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceStart(MRAppMaster.java:1293)
at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
at org.apache.hadoop.mapreduce.v2.app.MRApp.submit(MRApp.java:301)
at org.apache.hadoop.mapreduce.v2.app.MRApp.submit(MRApp.java:285)
at org.apache.hadoop.mapreduce.v2.app.MRAppBenchmark.run(MRAppBenchmark.java:72)
at
org.apache.hadoop.mapreduce.v2.app.MRAppBenchmark.benchmark1(MRAppBenchmark.java:194)
{noformat}
2. We override createSchedulerProxy method and do not set application priority
that was added later by MAPREDUCE-6515. We got the following error:
{noformat}
java.lang.NullPointerException
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.handleJobPriorityChange(RMContainerAllocator.java:1025)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.getResources(RMContainerAllocator.java:880)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.heartbeat(RMContainerAllocator.java:286)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator$AllocatorRunnable.run(RMCommunicator.java:280)
at java.lang.Thread.run(Thread.java:748)
{noformat}
In both cases, the job never will be run and the test stuck and will not be
finished.
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