无法运行Struts 2 Hello World [英] cannot run Struts 2 Hello World
问题描述
问题 当我运行我的项目并尝试运行
Problem When I run my project and try to run
ERROR Dispatcher Dispatcher initialization failed
Unable to load configuration. - bean - jar:file:/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%208.5/wtpwebapps/Struts2Test/WEB-INF/lib/struts2-gxp-plugin-2.5.22.jar!/struts-plugin.xml:27:162
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:69)
and more...
http://localhost:8081/Struts2Test/testAction
它不起作用.它显示HTTP状态404(在我的浏览器上)
It does not work. It show HTTP status 404(On my browser)
Eclipse控制台
Eclipse控制台上没有错误
There are no errors on Eclipse Console
/Struts2Test/src/struts.xml
/Struts2Test/src/struts.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="test.Action.TestAction" method="execute">
<result name="success">
/success.jsp
</result>
<result name="error">
/error.jsp
</result>
</action>
</package>
</struts>
TestAction.java
TestAction.java
package test.Action;
import com.opensymphony.xwork2.ActionSupport;
public class TestAction extends ActionSupport
{
public String execute()
{
return "success";
}
}
/Struts2Test/WebContent/WEB-INF/web.xml
/Struts2Test/WebContent/WEB-INF/web.xml
<?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_3_1.xsd" id="WebApp_ID" version="3.1">
<display-name>Struts2Test</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</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>
推荐答案
Hello World(在struts中)
Hello World(in struts)
在Eclipse Enterprise Edition中创建一个动态Web项目
Create a dynamic web project in Eclipse Enterprise edition
Eclipse>文件>新建>动态Web项目
Eclipse>File>New>Dynamic Web Project
命名为:HelloWorld
Name it: HelloWorld
它应该在Web内容文件夹中有web.xml文件> WEB-INF> web.xml
It should have web.xml file in Web content folder>WEB-INF>web.xml
<?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_3_1.xsd" id="WebApp_ID" version="3.1">
<display-name>HelloWorld</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</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>
创建一个类TestAction.java
Create a Class TestAction.java
(/HelloWorld/src/com/test/TestAction.java)
(/HelloWorld/src/com/test/TestAction.java)
package com.test;
import com.opensymphony.xwork2.ActionSupport;
public class TestAction extends ActionSupport
{
public String execute()
{
return "success";
}
}
/HelloWorld/WebContent/success.jsp
/HelloWorld/WebContent/success.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> Hello World</h1>
</body>
</html>
/HelloWorld/src/struts.xml
/HelloWorld/src/struts.xml
注意:您的struts.xml文件应位于动态Web项目的src文件夹中.否则它将无法正常工作.
Note: Your struts.xml file should be inside src folder of your dynamic web project. Otherwise it will not work.
<?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.test.TestAction" method="execute">
<result name="success">
/success.jsp
</result>
<result name="error">
/error.jsp
</result>
</action>
</package>
</struts>
您需要在Java Build Path中添加这些jar文件
You need to add these jar files in your Java Build Path
选择您的项目>右键单击>属性> Java Build Path>添加外部Jar文件
Select your Project>Right Click>Properties>Java Build Path>Add External Jar files
现在，您需要在Deployment Assembly中添加这些jar文件
Now, You need to add these jar files in Deployment Assembly
选择您的项目>右键单击>属性> Deployment Assembly> Add>单击Java构建路径>您之前添加的jar文件将出现在此处.选择并确定.
Select your Project>Right Click>Properties>Deployment Assembly>Add>Click on Java Build Path>The jar files which you added earlier will be present there. Select and ok.
在服务器上运行项目
选择您的项目>运行方式>在服务器上运行
Select your project> Run as>Run on Server
在浏览器上
http://localhost:8081/HelloWorld/testAction
(我将端口号从8080更改为8081.Tomcat的默认端口号为8080.因此，URL http://localhost:8080/HelloWorld/testAction .)
(I changed my port number from 8080 to 8081. Default port number for Tomcat is 8080. So the URL will http://localhost:8080/HelloWorld/testAction. )
这篇关于无法运行Struts 2 Hello World的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
