我的Struts.xml文件无法重定向到我的动作类，并给我404错误

Question

I'm new to Struts and I have tried to build the basic application in Struts2. 我是Struts的新手，我试图在Struts2中构建基本应用程序。 The Web app is giving me 404 Error as the the It cannot find the result or action class. Web应用程序给我404错误，因为它找不到结果或操作类。 Below are the code snippets of various files. 以下是各种文件的代码段。 Thank you in advance for help 预先感谢您的帮助

Index.html Index.html

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="DemoStrtus" method="post">
<input type="text" name="name">
<input type="submit" value="Submit">
</form>
</body>
</html>

Web.xml Web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4"
    xmlns="http://java.sun.com/xml/ns/j2ee" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    <display-name>Basic Struts2</display-name>
    <welcome-file-list>
        <welcome-file>Index.html</welcome-file>
    </welcome-file-list>

    <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>

Struts.xml 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>
    <package name="demostruts" extends="struts-default" namespace="/">
        <action name="demostruts" class="com.demostruts.DemoStrtus" method="execute">
        <result name="success">/DemoStrtus.jsp</result>
        </action>
    </package>
</struts>

DemoStrtus.java (action class) DemoStrtus.java（动作类）

package com.demostruts;

public class DemoStrtus{
private String name;

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}
public String execute() throws Exception
{
    return "success";

}
}

DemoStrtus.jsp DemoStrtus.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Output</title>
</head>
<body>
<s:property value="name"/>
</body>
</html>

When I run the project. 当我运行项目时。 It displays the form. 它显示表单。 After i enter my name in the form, and press Submit. 在我在表单中输入我的姓名后，然后按Submit。 It gives me 404 error. 它给我404错误。

My Project explorer looks like 我的项目资源管理器看起来像

Struts jar file i have added 我添加的Struts jar文件

console warning 控制台警告

May 16, 2018 7:36:25 PM com.opensymphony.xwork2.util.logging.jdk.JdkLogger warn
WARNING: Could not find action or result: /DemoStruts/DemoStrtus
There is no Action mapped for namespace [/] and action name [DemoStrtus] associated with context path [/DemoStruts]. - [unknown location]
    at com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:185)
    at org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:63)
    at org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:37)
    at com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)
    at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:565)
    at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81)
    at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)

Answer 1

感谢您的帮助和支持错误是我为Java设置了错误的环境路径。

我的Struts.xml文件无法重定向到我的动作类，并给我404错误

问题描述

1 个解决方案

解决方案1
0 已采纳 2018-06-30 06:04:10

我的Struts.xml文件无法重定向到我的动作类，并给我404错误

问题描述

1 个解决方案

解决方案1 0 已采纳 2018-06-30 06:04:10

解决方案1
0 已采纳 2018-06-30 06:04:10