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https://issues.apache.org/jira/browse/YARN-2192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Anubhav Dhoot reassigned YARN-2192:
-----------------------------------
Assignee: Anubhav Dhoot
> TestRMHA fails when run with a mix of Schedulers
> ------------------------------------------------
>
> Key: YARN-2192
> URL: https://issues.apache.org/jira/browse/YARN-2192
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Anubhav Dhoot
> Assignee: Anubhav Dhoot
>
> Some TestRMHA assume CapacityScheduler. If the test is run with multiple
> schedulers, some of the tests fail because the metricsssytem objects that are
> shared across tests and fail as below.
> {code}
> Error Message
> Metrics source QueueMetrics,q0=root already exists!
> Stacktrace
> org.apache.hadoop.metrics2.MetricsException: Metrics source
> QueueMetrics,q0=root already exists!
> at
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:126)
> at
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:107)
> at
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:217)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics.forQueue(FSQueueMetrics.java:96)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.reinitialize(FairScheduler.java:1281)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:427)
> {code}
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