switch (code) {
            case "NoSuchBucket":
                throw new CrawlingAccessException("Bucket not found: bucket=" + bucketName, e);
            case "NoSuchKey", "NoSuchObject":
                if (logger.isDebugEnabled()) {
                    logger.debug("Object not found: bucket={}, path={}", bucketName, path);
                }
                break;
            default: