diff --git a/zeppelin-server/src/main/java/org/apache/zeppelin/socket/Message.java b/zeppelin-server/src/main/java/org/apache/zeppelin/socket/Message.java
index e4626bf7721..d78f202584a 100644
--- a/zeppelin-server/src/main/java/org/apache/zeppelin/socket/Message.java
+++ b/zeppelin-server/src/main/java/org/apache/zeppelin/socket/Message.java
@@ -90,6 +90,7 @@ public static enum OP {
                 // @param notes serialized List<NoteInfo> object
 
     PARAGRAPH_REMOVE,
+    PING,
 
     ANGULAR_OBJECT_UPDATE,  // [s-c] add/update angular object
     ANGULAR_OBJECT_REMOVE,  // [s-c] add angular object del
diff --git a/zeppelin-server/src/main/java/org/apache/zeppelin/socket/NotebookServer.java b/zeppelin-server/src/main/java/org/apache/zeppelin/socket/NotebookServer.java
index 69d62d8e4fe..c8238b438ab 100644
--- a/zeppelin-server/src/main/java/org/apache/zeppelin/socket/NotebookServer.java
+++ b/zeppelin-server/src/main/java/org/apache/zeppelin/socket/NotebookServer.java
@@ -136,6 +136,9 @@ public void onMessage(WebSocket conn, String msg) {
           case COMPLETION:
             completion(conn, notebook, messagereceived);
             break;
+          case PING:
+            pong();
+            break;          
           case ANGULAR_OBJECT_UPDATED:
             angularObjectUpdated(conn, notebook, messagereceived);
             break;
@@ -584,6 +587,9 @@ public JobListener getParagraphJobListener(Note note) {
     return new ParagraphJobListener(this, note);
   }
 
+  private void pong() {
+  }
+
   private void sendAllAngularObjects(Note note, WebSocket conn) {
     List<InterpreterSetting> settings = note.getNoteReplLoader().getInterpreterSettings();
     if (settings == null || settings.size() == 0) {
diff --git a/zeppelin-web/app/scripts/controllers/main.js b/zeppelin-web/app/scripts/controllers/main.js
index 4948b49659b..2720cbddb4e 100644
--- a/zeppelin-web/app/scripts/controllers/main.js
+++ b/zeppelin-web/app/scripts/controllers/main.js
@@ -45,6 +45,10 @@ angular.module('zeppelinWebApp')
         WebSocket.send(JSON.stringify($scope.WebSocketWaitingList[o]));
       }
     }
+    setInterval(function(){
+        $rootScope.$emit('sendNewEvent', {op: 'PING'})
+      }
+      ,60000);    
   });
 
   WebSocket.onmessage(function(event) {