globalcors.corsConfigurations.[/].maxAge configuation not work

[xiongchun]

i set my cors in application.yml as follows，

      globalcors: 
        corsConfigurations: 
          '[/**]':
            #allowedOrigins: "http://127.0.0.1:8848"
            allowedOrigins: "*"
            maxAge: 86400
            allowedMethods:
            - GET
            - POST

but, unfortunately the "Access-Control-Max-Age" did not appear in response header。

Access-Control-Allow-Origin: *
Content-Type: application/json;charset=UTF-8
Date: Fri, 10 May 2019 07:37:02 GMT
transfer-encoding: chunked
Vary: Origin, Access-Control-Request-Method, Access-Control-Request-Headers
X-RateLimit-Burst-Capacity: 5000
X-RateLimit-Remaining: 4999
X-RateLimit-Replenish-Rate: 5000

[tony-clarke-amdocs]

The access-control-max-age should only appear in a pre-flight request response. I guess your request was not a preflight request. A request is a preflight request if:

1. HTTP method is Options
2. Origin header is not null
3. Access-Control-Request-Method header is not null

[xiongchun]

@tony-clarke-amdocs thanks. i learn a lot from your reply.