this.healthCheckRegistry = new HealthCheckRegistry();
this.validator = validator;
this.servletContext = new MutableServletContextHandler();
servletContext.setClassLoader(classLoader);
this.servletEnvironment = new ServletEnvironment(servletContext);
this.adminContext = new MutableServletContextHandler();
adminContext.setClassLoader(classLoader);
this.adminEnvironment = new AdminEnvironment(adminContext, healthCheckRegistry, metricRegistry);