[BUG][JAVA] Crash generating Spring server from OpenBanking swagger

Created by: elier

Description

I'm trying to generate a SpringBoot server using an OpenBanking swagger and I get the following error:

java.lang.RuntimeException: Could not process model 'CreditInterest'.Please make sure that your schema is correct! I think the schema is correct, it is just very complex.

openapi-generator version

4.1.1

OpenAPI declaration file content or url

https://raw.githubusercontent.com/OpenBankingUK/read-write-api-specs/master/dist/account-info-openapi.yaml

Command line used for generation

java -jar openapi-generator-cli.jar generate -i account-info-openapi.3.yaml -g spring -o openapi-generator-openbanking3-test

Steps to reproduce

Download the swagger file and try to generate a spring server with -g spring

Related issues/PRs

N/A

Suggest a fix

The CreditInterest object has several nested objects. I'm trying to pinpoint what exactly make the generate fails