[BUG] when feign useing，must be define securitySchemes => oauth ,

Created by: xiaowenquan

Description

wehn I useing feign generate cli code , must define oauth in openapi.yml . otherwise , can not package code;

openapi-generator version

openapi-generator-cli-5.1.0

OpenAPI declaration file content or url

paths:
  /xxx/{systemId}/xxxx:
    get:
      summary: xxx
      tags:
        - xxxx
      operationId: xxxx
      parameters:
        - name: systemId
          in: path
          required: true
          explode: false
          schema:
            type: integer
            format: int32
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseCode'
      security:
        - bearerAuth: []
      
components:
  securitySchemes:
    bearerAuth:            # arbitrary name for the security scheme
      type: http
      scheme: bearer
      bearerFormat: JWT    # optional, arbitrary value for documentation purposes
      
  schemas:
    ResponseCode:
      type: string
      enum:
        - M0000
      x-enum-varnames:
        - SUCCESS

Generation Details

java -jar openapi-generator-cli-5.1.0.jar generate -i xxx-center.yaml -g java --api-package com.xxx.client.api --model-package com.xxx.client.model --invoker-package com.xxx.client.invoker --group-id com.xxx --artifact-id xxx-client --artifact-version 0.0.1-SNAPSHOT --library feign -o xxx-api-client

Steps to reproduce

Related issues/PRs

mvn clean package install -f xxx-api-client/pom.xml

Suggest a fix

when undefine oauth , exclude buildOauthRequestInterceptor method , in path openapi-generator/modules/openapi-generator/src/main/resources/Java/libraries/feign/ApiClient.mustache