From e12520cbccde206d465eb21597aa769da4d77d15 Mon Sep 17 00:00:00 2001
From: Keith Donald <kdonald@vmware.com>
Date: Mon, 11 Aug 2008 17:02:27 +0000
Subject: [PATCH] null check

---
 .../binding/expression/el/ELExpressionParser.java                | 1 +
 1 file changed, 1 insertion(+)

diff --git a/spring-binding/src/main/java/org/springframework/binding/expression/el/ELExpressionParser.java b/spring-binding/src/main/java/org/springframework/binding/expression/el/ELExpressionParser.java
index 539f6073..a015062b 100644
--- a/spring-binding/src/main/java/org/springframework/binding/expression/el/ELExpressionParser.java
+++ b/spring-binding/src/main/java/org/springframework/binding/expression/el/ELExpressionParser.java
@@ -70,6 +70,7 @@ public class ELExpressionParser implements ExpressionParser {
 	 * @param conversionService the conversion service to use
 	 */
 	public void setConversionService(ConversionService conversionService) {
+		Assert.notNull(conversionService, "The conversion service is required");
 		this.conversionService = conversionService;
 	}