异常处理springmvc.xml

<!-- 配置统一异常 -->
    <bean
        class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver
    ">
        <property name="exceptionAttribute" value="ex" />
        <property name="defaultErrorView" value="error" />
  </bean>

error为jsp页面的名字

例如error.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'error.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    This is error. <br>
    ${ex}
  </body>
</html>
通过${ex}得到异常的值



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转载自blog.csdn.net/fantastic_y/article/details/80510446