急救阿!大虾!struts简单例子报错!

我定义了 1个jsp页面 1个Action 1个ActionForm
//public class LoginForm extends ActionForm

//public class LoginAction extends Action
//login.jsp

//struts-config.xml

<form-beans>
<form-bean name="LoginForm2" path="StrutsTest.FormBean.LoginForm">
</form-bean>
</form-beans>
<action-mappings>
<action path="/Login"
type="StrutsTest.Action.LoginAction"
name="LoginForm2"
scope="request"
validate="false"
input="/strutsTest/Login.jsp">
<forward name="view" path="/strutsTest/login.jsp"/>
</action>

//jsp页面信息
<html:form action="/Login.do" >
UserName: <html:text property="user2" />
Password: <html:password property="pass2" />
<html:submit value="commit"/>
</html:form>

结果访问该页面的时候就报错了:

javax.servlet.jsp.JspException: Exception creating bean of class null: {1}

//看别人的也有过类似的错误,但是 class 也不是null啊?
兄弟们,小弟初学struts,摸索很久了,大虾们指点阿!感激不敬
[1090 byte] By [tianming2002] at [2008-4-12]
# 1
<html:submit property="LoginForm2" value="commit" />
ember_zhou-不是猪头 at 2007-10-22 > top of Msdn China Tech,Java,框架、开源...
# 2
<html:form action="/Login" >
ember_zhou-不是猪头 at 2007-10-22 > top of Msdn China Tech,Java,框架、开源...
# 3
我的印映射为
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>

肯定要.do才能执行ActionServlet阿
tianming2002 at 2007-10-22 > top of Msdn China Tech,Java,框架、开源...
# 4
.do是默认加上去的
loveinter at 2007-10-22 > top of Msdn China Tech,Java,框架、开源...
# 5
用的是idea工具,都需要手工添加的,
javax.servlet.jsp.JspException: Exception creating bean of class null: {1}

怎么会是class null ,怎么说也应该提示哪个class 出现了Exception乐啊!
大虾们帮忙啊
tianming2002 at 2007-10-22 > top of Msdn China Tech,Java,框架、开源...