Connector with build errors is generated when http:GET operation with request body given.

[aneeshafedo]

Description:

Problem

According to OpenAPI specification v3 GET, DELETE and HEAD are no longer allowed to have request body because it does not have defined semantics as per RFC 7231. Not validating the GET request with request body is an issue found in the swagger parser we are using in Ballerina OpenAPI tool.

Issue has added at swagger-api/swagger-parser on this regard.

Suggested solution

Throw an error when GET/DELETE/HEAD operation with request body found.

Steps to reproduce:

Affected Versions:

OS, DB, other environment details and versions:

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[LakshanSS]

We can validate during the client code generation and throw a BallerinaOpenApiException.
I will add a fix for this.