commons-beanutils-1.7.0.jar 
在你lib下?
删除tomcat下的项目 重新发布试试

解决方案 »

  1.   

    我是在Web.xml中配置的!把你Web.xml发出来看看!
      

  2.   

    继承ActionSupport的这种方式似乎不用配置web.xml吧!<servlet>
        <servlet-name>action</servlet-name>
        <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
        <init-param>
          <param-name>config</param-name>
          <param-value>/WEB-INF/struts-config.xml</param-value>
        </init-param>
        <init-param>
          <param-name>debug</param-name>
          <param-value>3</param-value>
        </init-param>
        <init-param>
          <param-name>detail</param-name>
          <param-value>3</param-value>
        </init-param>
        <load-on-startup>0</load-on-startup>
      </servlet>
      <servlet-mapping>
        <servlet-name>action</servlet-name>
        <url-pattern>*.do</url-pattern>
      </servlet-mapping>
      <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
      </welcome-file-list>
      

  3.   

    好像是少了commons-logging-1.0.4.jar这个包吧,那个beanUtils类好像在这个包里面