Configuring jetty's DefaultServlet's Cache-Control in web.xml

web.xml

<servlet>
  <servlet-name>default</servlet-name>
  <servlet-class>org.eclipse.jetty.servlet.DefaultServlet</servlet-class>
  <init-param>
    <param-name>cacheControl</param-name>
    <param-value>max-age=3600,public</param-value>
  </init-param>
</servlet>