使用token标记防止表单重复提交后，怎么登录不能正常使用了？大家帮我看看这个问题，webwor框架的

如图，本来可以正常登录的，但测试token功能后就不能登录了。这个是网上一个教学视频的例子，那个讲师好像也没留意这个问题。这究竟怎么回事儿，该如何解决呢？谢谢大家先！

tomcat后台信息的部分内容：

[code=INIFile]
2009-4-7 10:11:18 org.apache.catalina.startup.Catalina start
信息: Server startup in 33875 ms
Hibernate: select user0_.userid as userid3_, user0_.username as username3_, user0_.password as password3_, user0_.sex as sex3_, user0_.age as age3_ from user user0_ where user0_.username=? and user0_.password=?
2009-4-7 10:11:50 com.opensymphony.webwork.views.freemarker.FreemarkerManager getInstance
信息: Instantiating Freemarker ConfigManager!, com.opensymphony.webwork.views.freemarker.FreemarkerManager
Hibernate: insert into user (username, password, sex, age) values (?, ?, ?, ?)
2009-4-7 10:12:31 com.opensymphony.webwork.util.TokenHelper validToken
警告: Form token KN9NIZEFHGGRJ2Q5EL6EJAK9EMX1YMMA does not match the session token null.
2009-4-7 10:12:40 com.opensymphony.xwork.DefaultActionInvocation executeResult
警告: No result defined for action org.thj.bookstore.action.UserAction and result input
[/code]

xwork.xml的部分内容：

		<action name="register" class="userAction" method="register">

			<result name="success">/register_success.jsp</result>	

			<result name="invalid.token">/repeaterror.jsp</result>

			<interceptor-ref name="params"></interceptor-ref>

			<interceptor-ref name="token"></interceptor-ref>

		</action>

		<action name="login" class="userAction">

			<result name="success">/login_success.jsp</result>

			<result name="error">/login.jsp</result>

		</action>

UserAction.java的部分内容

	public String execute() throws Exception {

		

		User u = userService.validateUser(user.getUsername(),user.getPassword());

		if(u != null){

			Map session = ActionContext.getContext().getSession();

			session.put("user",u);

			return SUCCESS;

		}

			

		return ERROR;

	}

	

	public String register() throws Exception {

		

		userService.saveUser(user);

		return SUCCESS;

	}

大家如果想看全部代码，可以去这里下载

http://d.99081.com/gthboy/book.rar

mysql数据库创建脚本

http://d.99081.com/gthboy/crebas.rar