%@ taglib prefix='c' uri='http://java.sun.com/jstl/core' %> <%@ page import="org.acegisecurity.context.SecurityContextHolder" %> <%@ page import="org.acegisecurity.Authentication" %> <%@ page import="org.acegisecurity.ui.AbstractProcessingFilter" %> <%@ page import="org.acegisecurity.ui.webapp.AuthenticationProcessingFilter" %> <%@ page import="org.acegisecurity.AuthenticationException" %>