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https://issues.apache.org/jira/browse/HADOOP-15738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Oleksandr Shevchenko resolved HADOOP-15738.
-------------------------------------------
Resolution: Fixed
> MRAppBenchmark.benchmark1() fails with NullPointerException
> -----------------------------------------------------------
>
> Key: HADOOP-15738
> URL: https://issues.apache.org/jira/browse/HADOOP-15738
> Project: Hadoop Common
> Issue Type: Bug
> Components: test
> Reporter: Oleksandr Shevchenko
> Priority: Minor
>
> 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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