It used to be that when using the Spring Security Plugin with Grails, you needed to include in your build.gradle file a separate plugin for handling CORS requests. In more recent versions of Grails, the functionality is built-in, so you only need to add a configuration item in the application.yml
file.
In the first grails
section, you need to add the following setting:
grails:
profile: web
... (Other Stuff Here)
cors:
enabled: true