swagger-api / swagger-api/swagger-core
oneOf field in @Schema accept 'null' value
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Description
Hi everyone
May I ask are the 'oneOf' field could could accepts 'null' value and generates OAS Specification file like below?

If possible, please tell me how to achieve it.
Thanks!
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
The issue names the Java @Schema annotation and an OpenAPI Specification output; start by tracing how oneOf is represented in generated output and check whether null is supported. Compare the result with the OAS example shown in the issue, then define the expected output before deciding whether documentation or a code change is needed.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, openapi
- Domain
- api, backend-api-design
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100