Anubhav Dhoot created MAPREDUCE-6353:
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Summary: Divide by zero error in MR AM when calculating available
containers
Key: MAPREDUCE-6353
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6353
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mr-am
Reporter: Anubhav Dhoot
Assignee: Anubhav Dhoot
When running a sleep job with zero CPU vcores i see the following exception
2015-04-30 06:41:06,954 ERROR [RMCommunicator Allocator]
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: ERROR IN CONTACTING
RM.
java.lang.ArithmeticException: / by zero
at
org.apache.hadoop.mapreduce.v2.app.rm.ResourceCalculatorUtils.computeAvailableContainers(ResourceCalculatorUtils.java:38)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator$ScheduledRequests.assign(RMContainerAllocator.java:947)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator$ScheduledRequests.access$200(RMContainerAllocator.java:840)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.heartbeat(RMContainerAllocator.java:247)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator$1.run(RMCommunicator.java:282)
at java.lang.Thread.run(Thread.java:745)
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