Struts的“No action config found for the specified url”错误

mayi1989826 2009-05-31 03:25:01

No action config found for the specified url.是struts-config.xml的配置问题，但是仔细改了几遍，也问了老师，始终无法解决。

1，struts-config的配置文件



<!DOCTYPE struts-config PUBLIC

          "-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"

          "http://struts.apache.org/dtds/struts-config_1_3.dtd">



<struts-config>

	<form-beans>

		<form-bean name="loginForm" type="com.mayn.actionForm.LoginActionForm"/>

	</form-beans>

	

	<action-mappings>

		<action path="/login"

				type="com.mayn.action.LoginAction"

				name="loginForm"

				scope="request">

			<forward name="success" path="/information/success.jsp"/>

			<forward name="failure" path="/information/error.jsp"/>

		</action>

	</action-mappings>

</struts-config>

2，web.xml的配置文件



<?xml version="1.0" encoding="ISO-8859-1"?>



  <!DOCTYPE web-app PUBLIC

	"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"

	"http://java.sun.com/dtd/web-app_2_3.dtd">



<web-app>

  <display-name>Struts Blank Application</display-name>

  

  <!-- Standard Action Servlet Configuration -->

  <servlet>

    <servlet-name>action</servlet-name>

    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>

    <init-param>

      <param-name>config</param-name>

      <param-value>/WEB-INF/struts-config.xml</param-value>

    </init-param>

    <load-on-startup>2</load-on-startup>

 </servlet>

 

  <!-- Standard Action Servlet Mapping -->

  

  <servlet-mapping>

    <servlet-name>action</servlet-name>

    <url-pattern>*.do</url-pattern>

  </servlet-mapping>

  

  <!-- The Usual Welcome File List -->

  <welcome-file-list>

    <welcome-file>index.jsp</welcome-file>

  </welcome-file-list>



</web-app>

3,login.jsp



<%@ page language="java" contentType="text/html; charset=GB18030"

    pageEncoding="GB18030"%>

<!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=GB18030">

<title>Login Page</title>

</head>

<body>

<h1>User Login</h1>

<hr>

<form action="login.do" method="post">

Username: <input type="text" name="username"><br/>

Password: <input type="password" name="password"><br>

<input type="submit" value="Login">

<input type="reset" value="Reset"><br/>

</form>

</body>

</html>

4,LoginAction.java



package com.mayn.action;



import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;



import org.apache.struts.action.Action;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionForward;

import org.apache.struts.action.ActionMapping;



import com.mayn.actionform.LoginActionForm;

import com.mayn.exception.PasswordErrorException;

import com.mayn.exception.UserNotFoundException;

import com.mayn.manager.UserManager;



public class LoginAction extends Action 

{

	public ActionForward execute(ActionMapping mapping, ActionForm form,

			HttpServletRequest request, HttpServletResponse response)throws Exception

	{

		LoginActionForm loginActionForm = (LoginActionForm)form;

		String username = loginActionForm.getUsername();

		String password = loginActionForm.getPassword();

		

//		if("mayn".equals(username) && "mayn".equals(password))

//		{

//			System.out.println("Has Logged");

//			request.setAttribute("username", username);

//			return mapping.findForward("success");

//		}

//		else

//		{

//			System.out.println("Logged was failured!");

//			return mapping.findForward("failure");

//		}

		String errorInfo = null;

		try

		{

			UserManager.getInstance().validate(username, password);

			request.setAttribute("username", username);

			return mapping.findForward("success");

		}catch (UserNotFoundException unfe)

		{

			unfe.printStackTrace();

			errorInfo = "Your username [" + username +"] is error!";

		}

		catch (PasswordErrorException pee)

		{

			pee.printStackTrace();

			errorInfo = "Your password is error!";

		}

		

		request.setAttribute("errorInfo", errorInfo);

		return mapping.findForward("failure");

	}

}

5,另有LoginActionForm.java在com.mayn.actionform包中，success.jsp和error.jsp也面在WEB-INF/information/路径下。

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a1405 2009-06-01

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1.先看看服务器启动时，用什么报错没
2.login.jsp页应该直接放到web跟目录下，否则提交时url不正确
正确的url应该为：项目名/login.do
3.你的<forward name="success" path="/information/success.jsp"/>
配置有误，success.jsp页应该放在根目录下的information目录下而不是在WEB-INF/information/
但这不是造成你出错的原因。