@Override
    public void stop() throws Exception {
        if (server != null) {
            logger.info("Stopping Armeria Server");
            server.stop().thenRunAsync(() -> logger.info("Stopped Armeria Server"));
        }
    }
Creates a new instance.

@param configuration The Dropwizard configuration
@param serverConfigurator A non-null implementation of {@link ArmeriaServerConfigurator}
dropwizard2/src/main/java/com/linecorp/armeria/dropwizard/ManagedArmeriaServer.java