diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
index 2b07efb7f86..f213b32b892 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
@@ -489,9 +489,6 @@ public class TestJobHistoryEventHandler {
     TestParams t = new TestParams(false);
     Configuration conf = new YarnConfiguration();
     conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
-    conf.setBoolean(MRJobConfig.MAPREDUCE_JOB_EMIT_TIMELINE_DATA, true);
-    JHEvenHandlerForTest jheh = new JHEvenHandlerForTest(t.mockAppContext, 0);
-    jheh.init(conf);
     MiniYARNCluster yarnCluster = null;
     long currentTime = System.currentTimeMillis();
     try {
@@ -499,6 +496,13 @@ public class TestJobHistoryEventHandler {
             TestJobHistoryEventHandler.class.getSimpleName(), 1, 1, 1, 1);
       yarnCluster.init(conf);
       yarnCluster.start();
+      Configuration confJHEH = new YarnConfiguration(conf);
+      confJHEH.setBoolean(MRJobConfig.MAPREDUCE_JOB_EMIT_TIMELINE_DATA, true);
+      confJHEH.set(YarnConfiguration.TIMELINE_SERVICE_WEBAPP_ADDRESS,
+          MiniYARNCluster.getHostname() + ":" +
+          yarnCluster.getApplicationHistoryServer().getPort());
+      JHEvenHandlerForTest jheh = new JHEvenHandlerForTest(t.mockAppContext, 0);
+      jheh.init(confJHEH);
       jheh.start();
       TimelineStore ts = yarnCluster.getApplicationHistoryServer()
               .getTimelineStore();
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index 21511364fc6..874397d6771 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -1150,6 +1150,9 @@ Release 2.7.2 - UNRELEASED
     YARN-4312. TestSubmitApplicationWithRMHA fails on branch-2.7 and branch-2.6
     as some of the test cases time out. (Varun Saxena via ozawa)
 
+    YARN-4320. TestJobHistoryEventHandler fails as AHS in MiniYarnCluster no longer
+    binds to default port 8188. (Varun Saxena via ozawa)
+
 Release 2.7.1 - 2015-07-06
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryServer.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryServer.java
index 111a85f3d05..21e1c1a7932 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryServer.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryServer.java
@@ -143,7 +143,7 @@ public class ApplicationHistoryServer extends CompositeService {
 
   @Private
   @VisibleForTesting
-  int getPort() {
+  public int getPort() {
     return this.webApp.httpServer().getConnectorAddress(0).getPort();
   }