AngularJS spring security login/logout with Cross-Origin Resource Sharing (CORS)

Problem Statement: My UI app is running on 9000 port(grunt project) and my server side spring boot project running on 8421 port. I am able to hit all the URL's from my UI app except login and logout. Please let me know how can I configure spring security login and logout with CORS.Problem Statement: My UI app is running on 9000