CODEWITHSUNDEEP
jerseycorsswaggerswagger-ui
Mohanad
Mohanad

Reputation: 91

swagger editor error : CORS header ‘Access-Control-Allow-Origin’ missing

I have generated the swagger.json from my jersey project and trying to test it locally on swagger editor but I am getting the well known error on the 'try it out' for each api : CORS header ‘Access-Control-Allow-Origin’ missing EVEN THOUGH I have added the required headers for each request:

java code

public Response getObject(@PathParam("name")String name) {

        ....
                return Response.ok(myObect)
                .header("Access-Control-Allow-Origin", "*")
                .header("Access-Control-Allow-Credentials", "true")
                .header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS, HEAD")
                .header("Access-Control-Allow-Headers", "origin, content-type, accept, authorization").build();
        }

generated swagger

'/object/{name}':
    get:
      consumes:
        - application/json
      produces:
        - text/html
      parameters:
        - type: string
          name: name
          in: path
          required: true
      responses:
        '200':
          description: OK
          headers:
            Access-Control-Allow-Credentials:
              type: string
            Access-Control-Allow-Headers:
              type: string
            Access-Control-Allow-Methods:
              type: string
            Access-Control-Allow-Origin:
              type: string

by the way, I am running the project on tomcat 8.5 and swagger on Wamp server, I hope that does not make any difference

Upvotes: 0

Views: 4516

Answers (2)

vtpetrov
vtpetrov

Reputation: 61

If one uses the Spring framework, the easies way I found out to enable CORS is to put this annotation on top of your method (or whole controller class) - @CrossOrigin

It comes from org.springframework.web.bind.annotation.CrossOrigin

Once this is done, when the server is started you are able to use the "Try it out" via Swagger (OpenAPI) documentation and execute requests toward the server endpoints.

Upvotes: 0

mvoase
mvoase

Reputation: 574

I think this might be something to do with your server rather than the code itself! 

wampmanager -> Apache -> Apache modules -> headers_module

Try to enable CORS on your WAMP server first.

Upvotes: 1

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