Angular 2 HTTP POST does an OPTIONS call

Question

I\'m encountering a really strange problem with my Angular 2 application. I actually want to make a POST call containing a JSON to my Play Scala API, but it keeps want to try to

Answer 1

You are making a cross domain request.

The request is to localhost:9000 and is made from localhost:9002.

The browser creates a pre-flight request with the OPTIONS verb in order to know if he can continue and make the "real" request.

Read more about CORS here.