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Wilfred Spiegelenburg commented on YARN-7689: --------------------------------------------- the mvninstall failure is not related to the patch as far as I can trace. > TestRMContainerAllocator fails after YARN-6124 > ---------------------------------------------- > > Key: YARN-7689 > URL: https://issues.apache.org/jira/browse/YARN-7689 > Project: Hadoop YARN > Issue Type: Bug > Components: scheduler > Affects Versions: 3.1.0 > Reporter: Wilfred Spiegelenburg > Assignee: Wilfred Spiegelenburg > Attachments: YARN-7689.001.patch, YARN-7689.002.patch > > > After the change that was made for YARN-6124 multiple tests in the > TestRMContainerAllocator from MapReduce fail with the following NPE: > {code} > 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) > {code} > 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. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org