@Override
public void onStartup( final Set<Class<?>> c, final ServletContext ctx ) throws ServletException {
LOGGER.debug( "onStartup() called" );
final ServletRegistration servletRegistration = ctx.getServletRegistration( ROUTEY_SERVLET_NAME );
// if servlet not registered already
if ( servletRegistration == null ) {
final RouteyServlet routeyServlet = ctx.createServlet( RouteyServlet.class );
// force eager initialization to scan routes early