没有为与上下文路径[/ Struts2Test]关联的名称空间[/]和操作名称[testAction]映射的操作

编程问答 2022-08-16

问题描述

错误： 没有为与上下文路径[/ Struts2Test]关联的名称空间[/]和操作名称[testAction]映射的操作。

struts.xml 

window

web.xml 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
   "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
   "http://struts.apache.org/dtds/struts-2.5.dtd">
   
<struts>
    <package name="test" extends="struts-default">
        <action name="testAction" class="com.velox.test.TestAction" method="execute">
            <result name="success">/Success.jsp</result>
            <result name="error">/Error.jsp</result>
        </action>
    </package>
</struts>

TestAction.java 

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns="http://xmlns.jcp.org/xml/ns/javaee" 
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" id="WebApp_ID" version="4.0">
  <display-name>Struts2Test</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
  
  <filter>
      <filter-name>struts2</filter-name>
      <filter-class>
        org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter 
      </filter-class>
   </filter>
   
     <filter-mapping>
      <filter-name>struts2</filter-name>
      <url-pattern>/*</url-pattern>
   </filter-mapping>  
</web-app>

Success.jsp 

package com.velox.test;

public class TestAction {
    
    public String execute() {
        
        System.out.println("execute() method called");
        
        return "success";
    }
}

Error.jsp 

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<Meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
    <h1>Success Page</h1>
</body>
</html>

index.jsp 

<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<Meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
    <h1>Error Page</h1>
</body>
</html>

输出 [运行项目] [1] [点击testAction URL] [2] [1]：https：//i.stack.imgur.com/YiXA1.png [2]：https：//i.stack.imgur.com/R2e5k.png

解决方法

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model-view-controller