Description
After the change that was made for YARN-6124 multiple tests in the TestRMContainerAllocator from MapReduce fail with the following NPE:
java.lang.NullPointerException at org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler.reinitialize(AbstractYarnScheduler.java:1437) at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.reinitialize(FifoScheduler.java:320) at org.apache.hadoop.mapreduce.v2.app.rm.TestRMContainerAllocator$ExcessReduceContainerAllocateScheduler.<init>(TestRMContainerAllocator.java:1808) at org.apache.hadoop.mapreduce.v2.app.rm.TestRMContainerAllocator$MyResourceManager2.createScheduler(TestRMContainerAllocator.java:970) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:659) at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:1133) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:316) at org.apache.hadoop.yarn.server.resourcemanager.MockRM.serviceInit(MockRM.java:1334) at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164) at org.apache.hadoop.yarn.server.resourcemanager.MockRM.<init>(MockRM.java:162) at org.apache.hadoop.yarn.server.resourcemanager.MockRM.<init>(MockRM.java:141) at org.apache.hadoop.yarn.server.resourcemanager.MockRM.<init>(MockRM.java:137) at org.apache.hadoop.mapreduce.v2.app.rm.TestRMContainerAllocator$MyResourceManager.<init>(TestRMContainerAllocator.java:928)
In the test we just call reinitiaize on a scheduler and never call init.
The stop of the service is guarded and so should the start and the re-init.
Attachments
Attachments
Issue Links
- breaks
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MAPREDUCE-6926 Allow MR jobs to opt out of oversubscription
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- Resolved
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