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Re: [jetty-users] Jakarta REST API Query

Yes, I can remove the flask server and use Jython instead to make this run in the same Java server. 
But since I am trying to reproduce what AWS does with S3 Object Lambda
WriteGetObjectResponse
Passes transformed objects to a GetObject operation when using Object Lambda Access Points. For information about Object Lambda Access Points, see Transforming objects with Object Lambda Access Points in the Amazon S3 User Guide.
This operation supports metadata that can be returned by GetObject, in addition to RequestRouteRequestTokenStatusCodeErrorCode, and ErrorMessage. The GetObject response metadata is supported so that the WriteGetObjectResponse caller, typically an AWS Lambda function, can provide the same metadata when it internally invokes GetObject. When WriteGetObjectResponse is called by a customer-owned Lambda function, the metadata returned to the end user GetObject call might differ from what Amazon S3 would normally return.
I am trying to find a workaround/mechanism to get this to work.

Best,
Aniruddha
========


On Sun, Jun 27, 2021 at 5:52 PM Bill Ross <ross@xxxxxxxxxxxx> wrote:

Speaking from general server dev going back to the 90's, but w/o Amazon or Flask, so may not apply:

  • Jetty server now forwards the request to a Python Flask server which has the lambda function by passing object data to it
  • Lambda function code perform the transformation on the object and POST it back to Jetty server (which is a different API called writeGetObjectResponse)

It seems the original GET should be waiting on a synchronous call to the Flask server (after the sync GET to HS/HSC), and respond by forwarding the response?



--
Phobrain.com
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