[BUG] Java GSON client does not send multipart requests if a charset is specified #16210
Description
Bug Report Checklist
- Have you provided a full/minimal spec to reproduce the issue?
- Have you validated the input using an OpenAPI validator (example)?
- Have you tested with the latest master to confirm the issue still exists?
- Have you searched for related issues/PRs?
- What's the actual output vs expected output?
The generated http request is not a multipart request
Description
The Java GSON client sends non-multipart request if the specification specifies multipart/form-data;charset=UTF-8
openapi-generator version
master
OpenAPI declaration file content or url
openapi: 3.0.1
info:
title: Test API
description: Test API
version: '0.1'
security:
- APIKey: []
paths:
/api/jobs:
post:
tags:
- Jobs
summary: Creates a job
description: Uploads a file
operationId: createJob
parameters:
- name: options
in: query
description: Some options, comma separated
schema:
type: string
requestBody:
content:
multipart/form-data;charset=UTF-8:
schema:
type: object
properties:
file:
type: string
format: binary
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/SubmitSuccessfully'
components:
schemas:
SubmitSuccessfully:
required:
- id
type: object
properties:
id:
type: integer
description: The id of the job
format: int64
example: 1
description: This result is generated when the submission was successful.
securitySchemes:
APIKey:
type: apiKey
description: Your API key
name: APIKey
in: cookieGeneration Details
Steps to reproduce
I'm generating the client with
<generatorName>java</generatorName>
<library>okhttp-gson</library>