Fixed compile errors from Merge trunk into branch-3.0-ams
diff --git a/ambari-metrics-common/src/test/java/org/apache/hadoop/metrics2/sink/timeline/cache/HandleConnectExceptionTest.java b/ambari-metrics-common/src/test/java/org/apache/hadoop/metrics2/sink/timeline/cache/HandleConnectExceptionTest.java
index 77aba6b..4bcc2fb 100644
--- a/ambari-metrics-common/src/test/java/org/apache/hadoop/metrics2/sink/timeline/cache/HandleConnectExceptionTest.java
+++ b/ambari-metrics-common/src/test/java/org/apache/hadoop/metrics2/sink/timeline/cache/HandleConnectExceptionTest.java
@@ -213,6 +213,11 @@
     }
 
     @Override
+    protected String getHostInMemoryAggregationProtocol() {
+      return "http";
+    }
+
+    @Override
     public boolean emitMetrics(TimelineMetrics metrics) {
       super.init();
       return super.emitMetrics(metrics);