Spring @ControllerAdvice vs ErrorController

Question

In my REST service app, I am planning to create a @ControllerAdvice class to catch controller thrown exceptions and return ResponseEntity objects accor

Answer 1

An implementation of the ErrorController is used to provide a custom whitelabel error page.

A class annotated with @ControllerAdvise is used to add a global exception handling logic for the whole application. Thus, more than one controller in your application.

If in your application there is no mapping found for a request or page then spring will fallback to the 'whitelabel error page'. And in this case it will be the custom implementation of ErrorController