tomcat6启动的时候总报找不到类，但class文件里明明有的，是什么原因/？

严重: StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'handlerMapping' defined in ServletContext resource [/WEB-INF/beans-config.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [action.LoginAction] for bean with name 'loginAction' defined in ServletContext resource [/WEB-INF/beans-config.xml]; nested exception is java.lang.ClassNotFoundException: action.LoginAction
Caused by: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [action.LoginAction] for bean with name 'loginAction' defined in ServletContext resource [/WEB-INF/beans-config.xml]; nested exception is java.lang.[color=red]ClassNotFoundException: action.LoginAction[/color]
[img]http://dl.iteye.com/upload/attachment/580937/b9bd1d4f-a441-3824-b255-02b2f57369a4.png[/img]
如题

可能需要改成classes。。。