%@ 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.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"%>
<%@ taglib prefix="o" tagdir="/WEB-INF/tags"%>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>