친절 알림 페이지

5983 단어 힌트
1. 웹에서.xml 구성:
    <error-page>
        <error-code>404</error-code>
        <location>/jsp/error/error404.jsp</location>
    </error-page>

    <error-page>
        <error-code>500</error-code>
        <location>/jsp/error/error500.jsp</location>
    </error-page>

    <error-page>
        <exception-type>java.lang.NullPointerException</exception-type>
        <location>/jsp/error/nullPointerException.jsp</location>
    </error-page>

 
2. 404 페이지 구성
<%@ page contentType="text/html;charset=UTF-8" language="java" isErrorPage="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%response.setStatus(HttpServletResponse.SC_OK);%>
<html>
<head>
    <title> </title>
    <link type="text/css" href="${pageContext.request.contextPath}/css/CBSStyle.css" rel="stylesheet"/>
    <script type="text/javascript" src="${pageContext.request.contextPath}/js/jquery-1.7.1.js"></script>
    <script type="text/javascript">
        var i = 3;
        function task() {
            window.setInterval(countdown, 1000);
        }

        function countdown() {
            i--;
            $("#countdown").html(i);
            if (i == 0) {
                window.history.go(-1);
            }
        }
    </script>
<body onload="task()">
<div class="wrap">

    <div style="text-align: center;margin: 200px 0">
        <h1 style="color: #4d9fea;"> :404 , 
            <span id="countdown" style="color: red;font-weight: bold;font-size: 40px;">3</span> 
        </h1>
    </div>
</div>
<div class="clear"></div>
<div class="foot" align="center">Copyright © 2013  </div>
</body>
</html>

 
500 구성 오류
<%@ page contentType="text/html;charset=UTF-8" language="java" isErrorPage="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%response.setStatus(HttpServletResponse.SC_OK);%>
<html>
<head>
    <title> </title>
    <link type="text/css" href="${pageContext.request.contextPath}/css/CBSStyle.css" rel="stylesheet"/>
    <script type="text/javascript" src="${pageContext.request.contextPath}/js/jquery-1.7.1.js"></script>
    <script type="text/javascript">
        var i = 3;
        function task() {
            window.setInterval(countdown, 1000);
        }

        function countdown() {
            i--;
            $("#countdown").html(i);
            if (i == 0) {
                window.clearInterval();
                window.history.go(-1);
            }
        }
    </script>
<body onload="task()">
<div class="wrap">

    <div style="text-align: center;margin: 200px 0">
        <h1 style="color: #4d9fea;"> :500 , 
            <span id="countdown" style="color: red;font-weight: bold;font-size: 40px;">3</span> 
        </h1>
    </div>
</div>
<div class="clear"></div>
<div class="foot" align="center">Copyright © 2013  </div>
</body>
</html>

 
 
빈 포인터 구성 오류
<%@ page contentType="text/html;charset=UTF-8" language="java" isErrorPage="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%response.setStatus(HttpServletResponse.SC_OK);%>
<html>
<head>
    <title> </title>
    <link type="text/css" href="${pageContext.request.contextPath}/css/CBSStyle.css" rel="stylesheet"/>
    <script type="text/javascript" src="${pageContext.request.contextPath}/js/jquery-1.7.1.js"></script>
    <script type="text/javascript">
        var i = 3;
        function task() {
            window.setInterval(countdown, 1000);
        }

        function countdown() {
            i--;
            $("#countdown").html(i);
            if (i == 0) {
                window.history.go(-1);
            }
        }
    </script>
<body onload="task()">
<div class="wrap">

    <div style="text-align: center;margin: 200px 0">
        <h1 style="color: #4d9fea;"> , 
            <span id="countdown" style="color: red;font-weight: bold;font-size: 40px;">3</span> 
        </h1>
    </div>
</div>
<div class="clear"></div>
<div class="foot" align="center">Copyright © 2013  </div>
</body>
</html>

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