1.在web.xml配置：
<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>
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2.配置404页面
<%@ 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>页面找不到</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--;
$("#countdown").html(i);
if (i == 0) {
window.history.go(-1);
}
}
</script>
<body onload="task()">
<div class="wrap">
<div style="text-align: center;margin: 200px 0">
<h1 style="color: #4d9fea;">页面找不到：404错误，你懂得
<span id="countdown" style="color: red;font-weight: bold;font-size: 40px;">3</span>秒后自动返回
</h1>
</div>
</div>
<div class="clear"></div>
<div class="foot" align="center">Copyright ? 2013 学科服务平台</div>
</body>
</html>
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配置500错误
<%@ page contentType="text/html;charset=UTF-8" language="java" isErrorPage="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%response.setStatus(HttpServletResponse.SC_OK);%>
<html>
<head>
<title>服务器发生错误</title>
<link type="text/css" href="${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--;
$("#countdown").html(i);
if (i == 0) {
window.clearInterval();
window.history.go(-1);
}
}
</script>
<body onload="task()">
<div class="wrap">
<div style="text-align: center;margin: 200px 0">
<h1 style="color: #4d9fea;">服务器发生问题：500错误，你懂得
<span id="countdown" style="color: red;font-weight: bold;font-size: 40px;">3</span>秒后自动返回
</h1>
</div>
</div>
<div class="clear"></div>
<div class="foot" align="center">Copyright ? 2013 学科服务平台</div>
</body>
</html>
?
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配置空指针错误
<%@ page contentType="text/html;charset=UTF-8" language="java" isErrorPage="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%response.setStatus(HttpServletResponse.SC_OK);%>
<html>
<head>
<title>空指针异常</title>
<link type="text/css" href="${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;">空指针异常,你懂得
<span id="countdown" style="color: red;font-weight: bold;font-size: 40px;">3</span>秒后自动返回
</h1>
</div>
</div>
<div class="clear"></div>
<div class="foot" align="center">Copyright ? 2013 学科服务平台</div>
</body>
</html>
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