We depend on the latest pre-release of openapi-core, https://github.com/python-openapi/openapi-core/releases/tag/0.19.0a1.
The error message leads me to believe that openapi-core is raising a ServerNotFound exception from BasePathFinder.find (here), which is called from BaseAPICallValidator._find_path (here).
I have a couple of questions:
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- Is
BaseAPICallValidatorfor validating requests, responses, or both? \n - Why does the validator need to validate the server URL? What exactly does
APICallPathFinder._get_servers_iterdo? What is the fundamental meaning of aServerNotFoundexception? \n
HI @jtherrmann
\nthe error \"Server not found for https://vd2gh6uqw3.execute-api.us-west-2.amazonaws.com/api/user\" means your OpenAPI specification doesn't define server that match url from your request.
\n\n\nIs BaseAPICallValidator for validating requests, responses, or both?
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It's a base class for request and response validation
\n\n\nWhy does the validator need to validate the server URL?
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Server is part of OpneAPI specification
\n\n\nWhat exactly does APICallPathFinder._get_servers_iter do?
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Finds valid server definition in your specification
\n\n\nWhat is the fundamental meaning of a ServerNotFound exception?
\n
ServerNotFound exception is raised when your request server does not match any defined servers in your specification.
What causes a 400 error with message Server not found for <url>?
#757
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All of the API endpoints for the test deployment of our Flask app, which is deployed via Amazon API Gateway, are currently returning a response like the one below: We depend on the latest pre-release of The error message leads me to believe that I have a couple of questions:
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Replies: 1 comment 4 replies
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HI @jtherrmann the error "Server not found for https://vd2gh6uqw3.execute-api.us-west-2.amazonaws.com/api/user" means your OpenAPI specification doesn't define server that match url from your request.
It's a base class for request and response validation
Server is part of OpneAPI specification
Finds valid server definition in your specification
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@p1c2u This answer was extremely helpful, thank you! I had posted some comments with additional questions, but I deleted them because they were based on a partial misunderstanding of how OpenAPI works. But I understand how server URLs work now and we were able to resolve the issues with our app. Thanks again for your quick response! |
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In case anyone reading this is having a similar issue, our problem was that we have an AWS CloudFront distribution that forwards API requests to our AWS ApiGateway app. The forwarded requests have a URL like The |
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I'm glad you found the problem. Any suggestions about debugging improvements are welcome. |
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@p1c2u I think the error message for the
I assumed that the request had failed to reach the server. I did not even realize that the error was coming from the OpenAPI spec validator. At a minimum, I think the error message should make it clear that this is an OpenAPI spec validation problem. For example, it could say something like this:
In fact, I think that all request validation errors should begin with something like |
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HI @jtherrmann
the error "Server not found for https://vd2gh6uqw3.execute-api.us-west-2.amazonaws.com/api/user" means your OpenAPI specification doesn't define server that match url from your request.
It's a base class for request and response validation
Server is part of OpneAPI specification
Finds valid server definition in your specification
ServerNotFoundexception is raised when your request server does not match any defined servers i…