在线求助？？？急!!!!!

Question

web.xml 例子片断:
...
<servlet>
   <servlet-name>controller</servlet-name>
      <servlet-class>com.mycompany.mypackage.ControllerServlet</servlet-class>
      <init-param>
        <param-name>listOrders</paramName>
        <param-value>com.mycompany.myactions.ListOrdersAction</param-value>
      </init-param>
      <init-param>
        <param-name>saveCustomer</paramName>
        <param-value>com.mycompany.myactions.SaveCustomerAction</param-value>
      </init-param>
      <!-- Load this servlet at server startup time -->
      <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
      <servlet-name>controller</servlet-name>
      <url-pattern>*.do</url-pattern>
    </servlet-mapping>
//注意只能是servlet