OpenAPITools / OpenAPITools/openapi-generator
[BUG][Kotlin][Retrofit] Accept: application/json header is missing.
Open
Nobody has claimed this yet.
Issue: Bug
- Dominant language
- Java
- Stars
- 26.8k
- Forks
- 7.7k
- PR merge metrics
- PR metrics pending
Description
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
When generating the client with retrofit, request is missing Accept: application/json param in header.
For okhttp4-jvm it is correctly added
openapi-generator version
5.3.0
OpenAPI declaration file content or url
Use PetStore.yml
Generation Details
Steps to reproduce
Generate the client make the call and observe missing header param
Related issues/PRs
none
Suggest a fix
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by generating a Kotlin Retrofit client from PetStore.yml with OpenAPI Generator 5.3.0 and compare its request headers with the okhttp4-jvm output. Trace the Retrofit request-generation path and verify the completed client includes the expected Accept: application/json header when making the call.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- kotlin
- Domain
- api
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100