admin.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<html>
<head>
<title>Customer Admin Iterface</title>
</head>
<body bgcolor="#E3F6CE">
<h1>Customer Admin Interface</h1>
User <b><%=request.getUserPrincipal().getName()%></b> made this request.
</body>
</html>