From 897960cd70d85fc1014780f3eb3d8d7c5af8469e Mon Sep 17 00:00:00 2001
From: Luke Taylor <luke.taylor@springsource.com>
Date: Sun, 13 Sep 2009 22:29:07 +0000
Subject: [PATCH] Add expression string to failed expression evaluation
 exception message to help clarify the context.

---
 .../security/access/expression/ExpressionUtils.java             | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/org/springframework/security/access/expression/ExpressionUtils.java b/core/src/main/java/org/springframework/security/access/expression/ExpressionUtils.java
index 32cc169810..d0d3f85339 100644
--- a/core/src/main/java/org/springframework/security/access/expression/ExpressionUtils.java
+++ b/core/src/main/java/org/springframework/security/access/expression/ExpressionUtils.java
@@ -10,7 +10,7 @@ public final class ExpressionUtils {
         try {
             return ((Boolean) expr.getValue(ctx, Boolean.class)).booleanValue();
         } catch (EvaluationException e) {
-            throw new IllegalArgumentException("Failed to evaluate expression", e);
+            throw new IllegalArgumentException("Failed to evaluate expression '" + expr.getExpressionString() + "'", e);
         }
     }
 }