Index: stripes/src/net/sourceforge/stripes/util/bean/PropertyExpressionEvaluation.java
===================================================================
--- stripes/src/net/sourceforge/stripes/util/bean/PropertyExpressionEvaluation.java	(revision 972)
+++ stripes/src/net/sourceforge/stripes/util/bean/PropertyExpressionEvaluation.java	Fri Oct 10 13:48:18 PDT 2008
@@ -15,6 +15,7 @@
 package net.sourceforge.stripes.util.bean;
 
 import net.sourceforge.stripes.util.ReflectUtil;
+import net.sourceforge.stripes.util.ObjectFactory;
 
 import java.beans.PropertyDescriptor;
 import java.lang.reflect.Array;
@@ -645,7 +646,7 @@
                 return ReflectUtil.getInterfaceInstance(clazz);
             }
             else {
-                return clazz.newInstance();
+                return ObjectFactory.getInstance().newObject(clazz);
             }
         }
         catch (Exception e) {
Index: stripes/src/net/sourceforge/stripes/util/ObjectFactory.java
===================================================================
--- stripes/src/net/sourceforge/stripes/util/ObjectFactory.java	Fri Oct 10 13:48:18 PDT 2008
+++ stripes/src/net/sourceforge/stripes/util/ObjectFactory.java	Fri Oct 10 13:48:18 PDT 2008
@@ -0,0 +1,22 @@
+package net.sourceforge.stripes.util;
+
+public class ObjectFactory {
+    private static ObjectFactory instance = new ObjectFactory();
+
+    public <T> T newObject(Class<T> clazz) {
+        try {
+            return clazz.newInstance();
+        }
+        catch (Exception e) {
+            throw new RuntimeException("Could not instantiate class " + clazz.getName(), e);
+        }
+    }
+
+    public static void setInstance(final ObjectFactory instance) {
+        ObjectFactory.instance = instance;
+    }
+
+    public static ObjectFactory getInstance() {
+        return instance;
+    }
+}