From c48a41ea7a16e90eec520b6a3f311427e0e9ed18 Mon Sep 17 00:00:00 2001
From: Jan Machacek <jan.machacek@gmail.com>
Date: Tue, 27 Aug 2013 16:33:44 +0100
Subject: [PATCH] Fix minor issue in JettyRequestUpgradeStrategy

Issue: SPR-10861
---
 .../web/socket/server/support/JettyRequestUpgradeStrategy.java  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/spring-websocket/src/main/java/org/springframework/web/socket/server/support/JettyRequestUpgradeStrategy.java b/spring-websocket/src/main/java/org/springframework/web/socket/server/support/JettyRequestUpgradeStrategy.java
index 1cd7d7ea629..14f6d1ce6b1 100644
--- a/spring-websocket/src/main/java/org/springframework/web/socket/server/support/JettyRequestUpgradeStrategy.java
+++ b/spring-websocket/src/main/java/org/springframework/web/socket/server/support/JettyRequestUpgradeStrategy.java
@@ -69,6 +69,8 @@ public class JettyRequestUpgradeStrategy implements RequestUpgradeStrategy {
 	 * {@link WebSocketServerFactory#getPolicy()}.
 	 */
 	public JettyRequestUpgradeStrategy(WebSocketServerFactory factory) {
+		Assert.notNull(factory, "WebSocketServerFactory is required");
+		this.factory = factory;
 		this.factory.setCreator(new WebSocketCreator() {
 			@Override
 			public Object createWebSocket(UpgradeRequest request, UpgradeResponse response) {