Description
testPublishAppAttemptMetricsForUnmanagedAM is failing with a NullPointerException on branch-2.7.
Running org.apache.hadoop.yarn.server.resourcemanager.metrics.TestSystemMetricsPublisher Tests run: 4, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 6.393 sec <<< FAILURE! - in org.apache.hadoop.yarn.server.resourcemanager.metrics.TestSystemMetricsPublisher testPublishAppAttemptMetricsForUnmanagedAM(org.apache.hadoop.yarn.server.resourcemanager.metrics.TestSystemMetricsPublisher) Time elapsed: 0.026 sec <<< ERROR! java.lang.NullPointerException: null at org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher.appAttemptFinished(SystemMetricsPublisher.java:163) at org.apache.hadoop.yarn.server.resourcemanager.metrics.TestSystemMetricsPublisher.testPublishAppAttemptMetricsForUnmanagedAM(TestSystemMetricsPublisher.java:204)