Spring配置文件

<bean id="loginService" class="com.testPlatform.service.LoginService"> <property name="userDao" ref="userDaoImp"/> </bean>

<bean id="loginAction" class="com.testPlatform.action.LoginAction" scope="prototype"> <property name="loginService" ref="loginService"/> </bean>

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.1.7//EN"
    "http://struts.apache.org/dtds/struts-2.1.7.dtd">

<struts>
	<constant name = "struts.i18n.encoding" value="UTF-8"/>
		
	<package name ="login" extends="struts-default">       
		<action name="login" class="com.testPlatform.action.LoginAction" method="loginValidate">
			<result name="error">/resource/login.jsp</result>
			<result name="success">/resource/main.jsp</result>
		</action>
	</package>
</struts>

代码：

package com.testPlatform.action;

import javax.servlet.http.HttpServletRequest; import org.apache.struts2.ServletActionContext; import com.testPlatform.domain.User; import com.testPlatform.service.LoginService;

public class LoginAction {

private LoginService loginService;

private Integer rtxID; private String password;

public String loginValidate() { User user = loginService.loginValidate(rtxID, password); if( null == user ) { return "error"; }

HttpServletRequest request = ServletActionContext.getRequest(); request.getSession().setAttribute("sessionuserinfo", user);

return "success"; }

public LoginService getLoginService() {

return loginService; } public void setLoginService(LoginService loginService) { System.out.println("LoginService setter---------------------------"); this.loginService = loginService; } }

HTTP Status 500 -

java.lang.NullPointerException
	com.testPlatform.action.LoginAction.loginValidate(LoginAction.java:19)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)