struts2,找了半天，不知道错误在哪！能试的方法都试过了，实在没办法！！求指导！！！！！

Question

<?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="bbs" extends="struts-default" namespace="">
		<action name="*User" class="com.njit.kepeng.action.UserAction"
			method="{1}User">
			<result>/chooseModel.jsp</result>
			<result name="input">/login.jsp</result>
			<result name="manager">/manager.jsp</result>
			<result name="list" type="redirectAction">
				<param name="namespace">/</param>
				<param name="actionName">list</param>
				/user_list.jsp
			</result>
		</action>
	</package>
</struts>

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">


	<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>


	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
</web-app>

package com.njit.kepeng.action;

import java.util.List;

import com.njit.kepeng.entity.User;
import com.njit.kepeng.service.IUserService;
import com.njit.kepeng.service.impl.UserService;
import com.opensymphony.xwork2.ActionSupport;

public class UserAction extends ActionSupport {
	private User user;
	private List<User> users;
	private IUserService userService = new UserService();

	public String ListUser() {
		users = userService.selectUsers(new User());
		return "list";

	}

	public List<User> getUsers() {
		return users;
	}

	public void setUsers(List<User> users) {
		this.users = users;
	}

	public String loginUser() {
		User u = userService.selectUsers(user).get(0);
		if (u == null) {
			return INPUT;
		} else if (u.getUserRole().getRoleId() == 0) {
			return "manager";
		} else {
			return SUCCESS;
		}
	}

	public User getUser() {
		return user;
	}

	public void setUser(User user) {
		this.user = user;
	}

}

报错：

There is no Action mapped for namespace [/] and action name [list] associated with context path [/BBS]. - [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:39)
	at com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)
	at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:501)
	at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
	at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Thread.java:619)

Answer 1

厉害！

Answer 2

厉害！很有道理！！！

Answer 3

你的重定向到action的actionName是"list"，根本不符合你的action定义的格式为“*User”，所以匹配不了。 

<param name="actionName">list</param>