Index: lams_learning/web/WEB-INF/web.xml
===================================================================
diff -u -r97049873e9f5a71cdb4e9286f82508040b597347 -r08950e1090443c3423a3d1c587416a2fccd8bbdf
--- lams_learning/web/WEB-INF/web.xml	(.../web.xml)	(revision 97049873e9f5a71cdb4e9286f82508040b597347)
+++ lams_learning/web/WEB-INF/web.xml	(.../web.xml)	(revision 08950e1090443c3423a3d1c587416a2fccd8bbdf)
@@ -142,6 +142,19 @@
    <!ELEMENT mime-mapping (extension, mime-type)>
    -->
 
+      <error-page>
+        <error-code>500</error-code>
+        <location>/error.jsp</location>
+    </error-page>
+    <error-page>
+        <error-code>403</error-code>
+        <location>/403.jsp</location>
+    </error-page>
+    <error-page>
+        <error-code>404</error-code>
+        <location>/404.jsp</location>
+    </error-page>
+
   	<jsp-config>
 		<!--  ======================================================== -->	
 		<!-- Struts Tag Library Descriptors -->
@@ -206,7 +219,7 @@
     	<auth-constraint>
     		<role-name>LEARNER</role-name>
     		<role-name>TEACHER</role-name>
-    		<role-name>STAFF</role-name>
+    		<role-name>MONITOR</role-name>
     		<role-name>AUTHOR</role-name>
     		<role-name>ADMIN</role-name>
     		<role-name>SYSADMIN</role-name>