diff --git a/zeppelin-server/src/main/java/org/apache/zeppelin/server/ZeppelinServer.java b/zeppelin-server/src/main/java/org/apache/zeppelin/server/ZeppelinServer.java
index 2097b05aa72..493d7e75075 100644
--- a/zeppelin-server/src/main/java/org/apache/zeppelin/server/ZeppelinServer.java
+++ b/zeppelin-server/src/main/java/org/apache/zeppelin/server/ZeppelinServer.java
@@ -85,7 +85,6 @@
 import org.eclipse.jetty.server.session.SessionHandler;
 import org.eclipse.jetty.servlet.DefaultServlet;
 import org.eclipse.jetty.servlet.FilterHolder;
-import org.eclipse.jetty.servlet.ServletContextHandler;
 import org.eclipse.jetty.servlet.ServletHolder;
 import org.eclipse.jetty.util.ssl.SslContextFactory;
 import org.eclipse.jetty.util.thread.QueuedThreadPool;
@@ -441,7 +440,7 @@ private static void setupClusterManagerServer(ServiceLocator serviceLocator) {
   }
 
   private static SslContextFactory getSslContextFactory(ZeppelinConfiguration conf) {
-    SslContextFactory sslContextFactory = new SslContextFactory();
+    SslContextFactory.Server sslContextFactory = new SslContextFactory.Server();
 
     // Set keystore
     sslContextFactory.setKeyStorePath(conf.getKeyStorePath());