private ObjectMetadata getConfigMetadata() throws Exception {
try {
ObjectMetadata metadata =
s3Client.getObjectMetadata(arguments.getBucket(), arguments.getKey());
if (metadata.getContentLength() > 0) {
return metadata;
}
} catch (AmazonS3Exception e) {
if (!isNotFoundError(e)) {
throw e;
}
}
return null;
}
