Incorrect conversion from Openapi Spec to proto.

[kushal2007gupta]

Bug Report Checklist

• [x] Have you provided a full/minimal spec to reproduce the issue?
• [ ] Have you validated the input using an OpenAPI validator (example)?
• [x] Have you tested with the latest master to confirm the issue still exists?
• [x] Have you searched for related issues/PRs?
• [x] What's the actual output vs expected output?
• [ ] [Optional] Sponsorship to speed up the bug fix or feature request (example)

[BUG][JAVA] Bug generating protobuf file for a json having a List of List of Transactions

Description

While generating a protobuf from an openapi spec, I am getting incorrect generation. eg : Input Json { "currentOffer":[ [ { "date":"07/07/2022", "amount":10000 } ]] }

For the above schema i am getting output protobuf which shows a syntax error in the below highlighted output.

Output: repeated array[Students] currentOffer = 123456789;

openapi-generator version

org.openapitools:openapi-generator-gradle-plugin:6.2.0

OpenAPI declaration file content or url

Steps to reproduce

Update the input json with the sample json provided above and try to generate protobuf with the json provided.

Related issues/PRs

Suggest a fix

Support can be provided for List<List<Transactions>>