OpenAPI definition failed validation

[muhme]

LoopBack4 included validator (button at the bottom right)

https://validator.swagger.io/validator/debug?url=https://api.zitat-service.de/v1/explorer/openapi.json

failed with following errors:

{
   "messages":[
      "attribute paths.'/v1/author'(get).parameters.[language].default is unexpected",
      "attribute paths.'/v1/author'(get).parameters.[authorId].default is unexpected",
      "attribute paths.'/v1/authors'(get).parameters.[language].default is unexpected",
      "attribute paths.'/v1/authors'(get).parameters.[page].default is unexpected",
      "attribute paths.'/v1/authors'(get).parameters.[size].default is unexpected",
      "attribute paths.'/v1/categories'(get).parameters.[language].default is unexpected",
      "attribute paths.'/v1/categories'(get).parameters.[page].default is unexpected",
      "attribute paths.'/v1/categories'(get).parameters.[size].default is unexpected",
      "attribute paths.'/v1/quote_html'(get).parameters.[contentOnly].default is unexpected",
      "attribute paths.'/v1/users'(get).parameters.[page].default is unexpected",
      "attribute paths.'/v1/users'(get).parameters.[size].default is unexpected",
      "attribute paths.'/v1/authors'(get).operationId is repeated"
   ],
   "schemaValidationMessages":[
      {
         "level":"error",
         "domain":"validation",
         "keyword":"oneOf",
         "message":"instance failed to match exactly one schema (matched 0 out of 2)",
         "schema":{
            "loadingURI":"#",
            "pointer":"/definitions/Operation/properties/parameters/items"
         },
         "instance":{
            "pointer":"/paths/~1v1~1author/get/parameters/0"
         }
      },
      {
         "level":"error",
         "domain":"validation",
         "keyword":"oneOf",
         "message":"instance failed to match exactly one schema (matched 0 out of 2)",
         "schema":{
            "loadingURI":"#",
            "pointer":"/definitions/Operation/properties/parameters/items"
         },
         "instance":{
            "pointer":"/paths/~1v1~1author/get/parameters/1"
         }
      }
   ]
}

[muhme]

validator is green now 😄