swagger：Unable to render this definition The provided definition does not specify a valid version

问题

Unable to render this definition
The provided definition does not specify a valid version field.
Please indicate a valid Swagger or OpenAPI version field. Supported version fields are swagger: "2.0" and those that match openapi: 3.0.n (for example, openapi: 3.0.0).

处理

这个后台服务前面有gateway，需要配置资源访问的白名单。
白名单中漏了一个资源配置。

/**/v2/api-docs