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https://issues.apache.org/jira/browse/YARN-339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jian He updated YARN-339:
-------------------------
Attachment: YARN-339.patch
> TestResourceTrackerService is failing intermittently
> ----------------------------------------------------
>
> Key: YARN-339
> URL: https://issues.apache.org/jira/browse/YARN-339
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 3.0.0, 0.23.5
> Reporter: Ravi Prakash
> Assignee: Jian He
> Attachments: YARN-339.patch
>
>
> The test after testReconnectNode() is failing usually. This might be a race
> condition in Metrics2 code.
> Tests run: 8, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 3.127 sec <<<
> FAILURE!
> testDecommissionWithIncludeHosts(org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService)
> Time elapsed: 55 sec <<< ERROR!
> org.apache.hadoop.metrics2.MetricsException: Metrics source ClusterMetrics
> already exists!
> at
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:134)
> at
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:115)
> at
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:217)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ClusterMetrics.registerMetrics(ClusterMetrics.java:71)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ClusterMetrics.getMetrics(ClusterMetrics.java:58)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService.testDecommissionWithIncludeHosts(TestResourceTrackerService.java:74)
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