context.ungetService(device);
contxt.ungetService(device);
	public void noDriverFound() {		BundleContext context = manager.context;		Object service = context.getService(device);		try {			//It is possible that this is a Free Format Device that does not			//implement Device			if (service instanceof Device) {				log.log(device, log.LOG_INFO, DeviceMsg.Device_noDriverFound_called);				try {					((Device) service).noDriverFound();				} catch (Throwable t) {					log.log(device, log.LOG_ERROR, NLS.bind(DeviceMsg.Device_noDriverFound_error, t));				}			}		} finally {			context.ungetService(device);		}	}