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https://issues.apache.org/jira/browse/YARN-1784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13930733#comment-13930733
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Karthik Kambatla commented on YARN-1784:
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Ran into this again on our internal Jenkins.
{noformat}
java.lang.ClassCastException:
org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics cannot be
cast to
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics.forQueue(FSQueueMetrics.java:103)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.reinitialize(FairScheduler.java:1255)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:411)
at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
{noformat}
> TestContainerAllocation assumes CapacityScheduler
> -------------------------------------------------
>
> Key: YARN-1784
> URL: https://issues.apache.org/jira/browse/YARN-1784
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.3.0
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Priority: Minor
>
> TestContainerAllocation assumes CapacityScheduler
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