GWT/Maven/Eclipse-开发模式:URL不显示在Eclipse中(只有JavaEE版本!)

Loading modules
   com.dharma.greg.Home
      Validating <servlet> tags for module 'com.dharma.greg.Home'
         [WARN] Module declares a servlet class 'com.dharma.greg.server.ServicesImpl', but the web.xml has no corresponding declaration; please add the following lines to your web.xml:
<servlet>
  <servlet-name>servicesImpl</servlet-name>
  <servlet-class>com.dharma.greg.server.ServicesImpl</servlet-class>
</servlet>
<servlet-mapping>
  <servlet-name>servicesImpl</servlet-name>
  <url-pattern>/com.dharma.greg.Home/services</url-pattern>
</servlet-mapping>