in src/main/java/com/amazon/neptune/gremlin/driver/sigv4/AwsSigV4ClientHandshaker.java [125:136]
protected FullHttpRequest newHandshakeRequest() {
final FullHttpRequest request = super.newHandshakeRequest();
final NeptuneNettyHttpSigV4Signer sigV4Signer;
try {
sigV4Signer = new NeptuneNettyHttpSigV4Signer(this.sigV4Properties.getServiceRegion(),
awsCredentialsProvider);
sigV4Signer.signRequest(request);
} catch (NeptuneSigV4SignerException e) {
throw new RuntimeException("Exception occurred while signing the request", e);
}
return request;
}