public static GatewayNotFoundException gatewayNotFoundException(String gatewayId) {
        return new GatewayNotFoundException(Messages.i18n.format("GatewayDoesNotExist", gatewayId)); //$NON-NLS-1$
    }
Creates an exception from an gateway id.
@param gatewayId the gateway id
@return the exception
manager/api/exceptions/src/main/java/io/apiman/manager/api/rest/exceptions/util/ExceptionFactory.java