Peter Bacsko created MAPREDUCE-7352:
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Summary: ArithmeticException in some MapReduce tests
Key: MAPREDUCE-7352
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7352
Project: Hadoop Map/Reduce
Issue Type: Task
Components: test
Reporter: Peter Bacsko
Assignee: Peter Bacsko
There are some ArithmeticException failures in certain MapReduce test cases,
for example:
{noformat}
2021-06-14 14:14:20,078 INFO [main] service.AbstractService
(AbstractService.java:noteFailure(267)) - Service
org.apache.hadoop.mapreduce.v2.app.MRAppMaster failed in state STARTED
java.lang.ArithmeticException: / by zero
at
org.apache.hadoop.yarn.event.AsyncDispatcher$GenericEventHandler.handle(AsyncDispatcher.java:304)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:1015)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:141)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobEventDispatcher.handle(MRAppMaster.java:1544)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceStart(MRAppMaster.java:1263)
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.TestMRApp.testUpdatedNodes(TestMRApp.java:223)
{noformat}
We have to set {{detailsInterval}} when the async dispatcher is spied. For some
reason, despite the fact that {{serviceInit()}} is called, this variable
remains zero.
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