[BUG] [go] allOf with multiple schemas defined. Using only the first one:

[iafilius]

Bug Report Checklist

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

Description

Issue: 2nd item of allOf ignored and no code is generated for go client library

Generating a go library form vendor provided spec file results in many warnings like:

[main] WARN  o.o.codegen.DefaultCodegen - allOf with multiple schemas defined. Using only the first one: logicalid_reference

openapi-generator version

5.2.0 and latest master, but tested different versions as well

version : WARN log #count while generating from vendor provided swagger file
4.2.2 : 79
4.2.3 : 79
4.3.1 : <crashes>
5.1.1 : 23
5.2.0 : 23
5.2.1-20210716.042228-7 : 23

OpenAPI declaration file content or url

Generation Details

java $JAVA_OPTS -jar ${OAG} generate -i $SWAGGERFILE -g go -o ${VCDIR} -p enumClassPrefix=true

Steps to reproduce

Generate go library and watch output. check generated code on missing peaces (100% reproducable)

Related issues/PRs

Suggest a fix

I think issue is caused by generator, or a special case of schema, not sure.
schema itself verifies fine.

See attached sample in case_nr7.json.txt which does have the issue
case_nr7.json.txt
Also see kind of similar attached sample case_nr1.json.txt which does NOT have the issue.
case_nr1.json.txt

regards

[oravecz]

The bug is in DefaultCodeGen. Not particular to a language template

[wing328]

tested with the latest master and couldn't reproduce the issue as we've merged some fixes recently.

please give it a try with the latest master and happy to reopen the issue if needed.