Incorrect generation of response model reference

[meshuga]

Library used: io.springfox:springfox-boot-starter:3.0.0

I'm trying to define method response models in Spring but am facing an error where Swagger 2/OpenAPI 3 documentation provides the following JSON:

   "responses":{
      "200":{
         "description":"OK",
         "content":{
            "application/json":{
               "schema":{
                  "$ref":"Error-ModelName{namespace='aaaa', name='XXXX'}"
               }
            }
         }
      },
      ...
   }

Class model (am using Kotlin):

@RestController
@RequestMapping("/sth", consumes = [APPLICATION_JSON_VALUE], produces = [APPLICATION_JSON_VALUE])
class Controller() {
    @PostMapping
    @ApiResponses(
        ApiResponse(responseCode = "200", description = "created",
            content = [Content(mediaType = APPLICATION_JSON_VALUE, schema = 
            Schema(implementation = XXXX::class))]),
    )
    @ApiOperation("something")
    suspend fun initiate(
        @Valid @RequestBody request: Request
    ): XXXX {
        ....
    }
    ....
}

Current workaround is to add the model manually:

    @Bean
    fun api(typeResolver: TypeResolver): Docket {
        return Docket(SWAGGER_2)
            ....
            .additionalModels(typeResolver.resolve(XXXX::class.java))
    }

Related issue: #3348
Related SO (not raised by me): https://stackoverflow.com/questions/63662483/could-not-resolve-pointer-definitions-error-modelname

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