Index: lams_tool_sbmt/web/WEB-INF/web.xml
===================================================================
diff -u -r9afc72ff4f6555b8a6133cb29d597303d12ca5a0 -rfaf64b3f7ac476bd6932d00a5ce8143a940d3943
--- lams_tool_sbmt/web/WEB-INF/web.xml	(.../web.xml)	(revision 9afc72ff4f6555b8a6133cb29d597303d12ca5a0)
+++ lams_tool_sbmt/web/WEB-INF/web.xml	(.../web.xml)	(revision faf64b3f7ac476bd6932d00a5ce8143a940d3943)
@@ -152,10 +152,18 @@
    <!ELEMENT mime-mapping (extension, mime-type)>
    -->
 
-  <error-page>
-	<error-code>403</error-code>
-	<location>/403.html</location>
-</error-page>
+      <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>
 		<!--  ======================================================== -->	
@@ -278,12 +286,44 @@
     	</auth-constraint>
     </security-constraint>
 
+  <!-- ======================================================== -->
+	<!--  Security Roles -->
+    <!-- ======================================================== -->
+	<security-role>
+		<description>Student</description>
+		<role-name>LEARNER</role-name>
+	</security-role>
+	<security-role>
+		<description>Student</description>
+		<role-name>TEACHER</role-name>
+	</security-role>
+
+	<security-role>
+		<description>Can create/modify a learning design</description>
+		<role-name>AUTHOR</role-name>
+	</security-role>
+
+	<security-role>
+		<description>Can running and monitoring a learning session</description>
+		<role-name>STAFF</role-name>
+	</security-role>
+
+	<security-role>
+		<description>Can add/remove users to the system, set up classes of users for sessions</description>
+		<role-name>ADMIN</role-name>
+	</security-role>
+
+	<security-role>
+		<description>Can add/remove users to the system, set up classes of users for sessions</description>
+		<role-name>SYSADMIN</role-name>
+	</security-role>
 	<!--  Login Configuration -->
   	<login-config>
    		<auth-method>FORM</auth-method>
 		<realm-name>LAMS</realm-name>
    		<form-login-config>
     		<form-login-page>/login.jsp</form-login-page>
+			<form-error-page>/login.jsp?failed=y</form-error-page>    		    		
    		</form-login-config>
    	</login-config>