fixed constants for spring 4.2

Author: jricher

openid-connect-server-webapp/src/main/webapp/WEB-INF/views/approve.jsp

@@ -1,7 +1,7 @@
 <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
 <%@ page import="org.springframework.security.core.AuthenticationException"%>
 <%@ page import="org.springframework.security.oauth2.common.exceptions.UnapprovedClientAuthenticationException"%>
-<%@ page import="org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter"%>
+<%@ page import="org.springframework.security.web.WebAttributes"%>
 <%@ taglib prefix="authz" uri="http://www.springframework.org/security/tags"%>
 <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
 <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
@@ -13,12 +13,12 @@
 <o:header title="${title}"/>
 <o:topbar pageName="Approve" />
 <div class="container main">
-<% if (session.getAttribute(AbstractAuthenticationProcessingFilter.SPRING_SECURITY_LAST_EXCEPTION_KEY) != null && !(session.getAttribute(AbstractAuthenticationProcessingFilter.SPRING_SECURITY_LAST_EXCEPTION_KEY) instanceof UnapprovedClientAuthenticationException)) { %>
+<% if (session.getAttribute(WebAttributes.AUTHENTICATION_EXCEPTION) != null && !(session.getAttribute(WebAttributes.AUTHENTICATION_EXCEPTION) instanceof UnapprovedClientAuthenticationException)) { %>
 <div class="alert-message error">
 <a href="#" class="close">&times;</a>
 
 <p><strong><spring:message code="approve.error.not_granted"/></strong> 
-(<%= ((AuthenticationException) session.getAttribute(AbstractAuthenticationProcessingFilter.SPRING_SECURITY_LAST_EXCEPTION_KEY)).getMessage() %>)
+(<%= ((AuthenticationException) session.getAttribute(WebAttributes.AUTHENTICATION_EXCEPTION)).getMessage() %>)
 </p>
 </div>
 <% } %>