diff --git hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java index 803e95f..6a59037 100644 --- hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java +++ hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java @@ -28,6 +28,7 @@ import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.io.IOUtils; +import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; import org.apache.hadoop.net.NetUtils; import org.apache.hadoop.yarn.api.records.ApplicationId; import org.apache.hadoop.yarn.api.records.ContainerStatus; @@ -48,6 +49,7 @@ import org.apache.hadoop.yarn.util.Records; import org.apache.hadoop.yarn.util.YarnVersionInfo; import org.junit.After; +import org.junit.Before; import org.junit.Test; public class TestResourceTrackerService { @@ -557,6 +559,11 @@ private void checkDecommissionedNMCount(MockRM rm, int count) ClusterMetrics.getMetrics().getNumDecommisionedNMs()); } + @Before + public void setUp() { + DefaultMetricsSystem.setMiniClusterMode(true); + } + @After public void tearDown() { if (hostFile != null && hostFile.exists()) {