OpenAPITools / OpenAPITools/openapi-generator

[kotlin] [BUG] Enum class not generated from headers section

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Issue: Bug
Dominant language
Java
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Description

Description

If a spec declares custom headers with an enum definition this enum is not generated as source code.

openapi-generator version

7.16.0

OpenAPI declaration file content or url

Example

...
  headers:
    X-Error-Code:
      schema:
        type: string
        enum: [ ERROR.00.000, ERROR.00.001, ERROR.00.002 ]
...

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the Kotlin generation using the supplied OpenAPI headers example and inspect the generated source for the X-Error-Code enum. Trace how the Kotlin generator handles header schemas, then add coverage for the enum declaration and verify that the generated source includes it.

Written by the indexing model from the issue text.

Assessment

Tech stack
kotlin
Domain
api, tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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