Struts2 出现的小问题！！！！！

Question

在使用struts2上传时，出现了404错误,无论是访问index.jsp还是jsp目录下的01.jsp

struts.xml：<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
    "http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

    <constant name="struts.enable.DynamicMethodInvocation" value="false" />
    <constant name="struts.devMode" value="true" />
    <package name="default" namespace="/" extends="struts-default">
            <action name="upload" class="com.imooc.action.FileUploadAction">
                <result>index.jsp</result>
                <result name="input">error.jsp</result>
                <!-- 配置拦截器信息来限制上传文件的大小和类型 -->
                <interceptor-ref name="fileUpload">
                <param name="allowedTypes">image/bmp,image/x-png,image/gif,image/jpg</param>
                <param name="maximumSize">2097152</param>
                </interceptor-ref>
                <interceptor-ref name="defaultStack"></interceptor-ref>
            </action>
    </package>
web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>upload_download2</display-name>
  <!-- struts2配置 -->
    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>

    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

Answer 1

访问不了index.jsp是因为你的web.xml文件配置有问题