@WebServlet(name = "SimpleServlet" ,urlPatterns = {"/simple"})

public class SimpleServlet extends HttpServlet{ … }

@WebFilter(filterName="CommonFliter",urlPatterns="")

<servlet>

    <servlet-name>SimpleServlet</servlet-name>

    <servlet-class>footmark.servlet.SimpleServlet</servlet-class>

</servlet>

<servlet-mapping>

    <servlet-name>SimpleServlet</servlet-name>

    <url-pattern>/simple</url-pattern>

</servlet-mapping>