public class ObserverTest {

    final private static Logger log = Logger.getLogger(ObserverTest.class.getName());

    public void start(@Observes @Initialized(ApplicationScoped.class) Object o) throws Exception {
        log.info("### START");
    }

    public void stop(@Observes @Destroyed(ApplicationScoped.class) Object o) throws Exception {
        log.info("### STOP");
    }
}

    @Override
    public void contextDestroyed(ServletContextEvent sce) {
        /* Wrong order:

        bootstrap.shutdown();
        if (container != null) {
            container.destroy(new ContainerContext(sce, null));
        }
        super.contextDestroyed(sce);
         */

        // Workaround:
        if (container != null) {
            container.destroy(new ContainerContext(sce, null));
        }
        super.contextDestroyed(sce);
        bootstrap.shutdown();
    }