Description
In the build link test case failed.
Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 6.554 sec <<< FAILURE! - in org.apache.hadoop.yarn.server.resourcemanager.metrics.TestSystemMetricsPublisher testPublishApplicationMetrics(org.apache.hadoop.yarn.server.resourcemanager.metrics.TestSystemMetricsPublisher) Time elapsed: 2.206 sec <<< FAILURE! java.lang.AssertionError: expected:<> but was:<null> at org.junit.Assert.fail(Assert.java:88) at org.junit.Assert.failNotEquals(Assert.java:743) at org.junit.Assert.assertEquals(Assert.java:118) at org.junit.Assert.assertEquals(Assert.java:144) at org.apache.hadoop.yarn.server.resourcemanager.metrics.TestSystemMetricsPublisher.testPublishApplicationMetrics(TestSystemMetricsPublisher.java:201)