Ravi Prakash created YARN-339:
---------------------------------
Summary: TestResourceTrackerService is failing intermittently
Key: YARN-339
URL: https://issues.apache.org/jira/browse/YARN-339
Project: Hadoop YARN
Issue Type: Bug
Affects Versions: 0.23.5, 3.0.0
Reporter: Ravi Prakash
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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