@Override public void contextInitialized(ServletContextEvent servletContextEvent) { final ServletContext context = servletContextEvent.getServletContext(); context.setAttribute(HealthCheckServlet.HEALTH_CHECK_REGISTRY, getHealthCheckRegistry()); context.setAttribute(HealthCheckServlet.HEALTH_CHECK_EXECUTOR, getExecutorService()); context.setAttribute(MetricsServlet.METRICS_REGISTRY, getMetricRegistry()); }