From 3816e298617176ba35cab842c99e39bf79cd3120 Mon Sep 17 00:00:00 2001
From: Scott Battaglia <scott.battaglia@gmail.com>
Date: Tue, 24 Jul 2012 22:39:06 -0400
Subject: [PATCH] CASC-169

change to hashmap to allow values to be added
---
 .../cas/client/validation/Cas20ServiceTicketValidator.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cas-client-core/src/main/java/org/jasig/cas/client/validation/Cas20ServiceTicketValidator.java b/cas-client-core/src/main/java/org/jasig/cas/client/validation/Cas20ServiceTicketValidator.java
index 9b132f8..627ca9a 100644
--- a/cas-client-core/src/main/java/org/jasig/cas/client/validation/Cas20ServiceTicketValidator.java
+++ b/cas-client-core/src/main/java/org/jasig/cas/client/validation/Cas20ServiceTicketValidator.java
@@ -130,7 +130,7 @@ public class Cas20ServiceTicketValidator extends AbstractCasProtocolUrlBasedTick
     protected Map<String,Object> extractCustomAttributes(final String xml) {
 
     	if (!xml.contains("<cas:attributes>")) {
-    		return Collections.emptyMap();
+    		return new HashMap<String, Object>();
     	}
 
         final Map<String, Object> attributes = new HashMap<String, Object>();