CORS preflight request fails due to a standard header

Question

While debugging a CORS issue I am experiencing I\'ve found the following behaviour. Chrome makes the following OPTIONS preflight request (rewritten in CURL by Chrome itself)

Answer 1

I added this as an answer because I couldn't format it well for the top voted answer.

I found this post helpful as well: How to handle HTTP OPTIONS with Spring MVC?

DispatchServlet must be configured to pass along options request, or else it never reaches the mapped request:

...
  
    yourServlet
    org.springframework.web.servlet.DispatcherServlet
    
      dispatchOptionsRequest
      true
    
    1
  
...