<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<html>
<body>
    <h1>HTTP Status 403 - Access is denied</h1>
 
    <c:choose>
        <c:when test="${empty username}">
          <h2>You do not have permission to access this page!</h2>
        </c:when>
        <c:otherwise>
          <h2>Username : ${username} <br/>
                    You do not have permission to access this page!</h2>
        </c:otherwise>
    </c:choose>
 
</body>
</html>