关于 服务启动后报错，不能找到某些类！

一个SSH 架构的系统，用注解配置相关信息。

tomcat 启动后报如下错误。但是项目运行没有什么问题。很是郁闷

DEBUG [main] FileResourceStore.debug(61) | Unable to read file [org/apache/struts2/dispatcher/DefaultActionSupport.class]
 
java.io.FileNotFoundException: ..\WEB-INF\classes\org\apache\struts2\dispatcher\DefaultActionSupport.class (系统找不到指定的路径。)
 
...Unable to read file [java/lang/Throwable.class]
 
... Unable to read file [java/lang/Throwable.class]
 
... Unable to read file [java/io/IOException.class]
 
... Unable to read file [java/lang/Integer.class]
... Unable to read file [java/lang/String.class]
... Unable to read file [org/springframework/stereotype/Controller.class]
... Unable to read file [org/springframework/context/annotation/Scope.class] 
... Unable to read file [org/apache/struts2/convention/annotation/Namespace.c