--- old/ErrorDispatcherValve.java	2002-09-23 11:23:16.000000000 -0400
+++ new/ErrorDispatcherValve.java	2002-09-27 14:41:27.000000000 -0400
@@ -217,11 +217,14 @@
             return;
         
         Throwable realError = throwable;
-        
-        if (realError instanceof ServletException) {
-            realError = ((ServletException) realError).getRootCause();
-            if (realError == null) {
-                realError = throwable;
+        ErrorPage errorPage = null;
+        if (realError instanceof ServletException) {             
+            errorPage = findErrorPage(context, (ServletException) realError);
+            if (errorPage == null){
+                realError = ((ServletException) realError).getRootCause();
+                if (realError == null) {
+                    realError = throwable;
+                }
             }
         }