Servlet web.xml servlet-mapping

On my web.xml I have the following code

<servlet>
    <servlet-name>controller</servlet-name>
    <servlet-class>ControllerServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>


<servlet-mapping>
    <servlet-name>controller</servlet-name>
    <url-pattern>*.do</url-pattern>
</servlet-mapping>
<servlet-mapping>
    <servlet-name>controller</servlet-name>
    <url-pattern>/url/*</url-pattern>
</servlet-mapping>

To enter into the servlet the url has to be like : htp://ee:8080/ER/index.do or htp://ee:8080/ER/url/888. I want to get enter by a route like htp://ee:8080/94353.

I've tried a lot of possibilities but I can't find the correct one.

Thank you!