resilience4j_with_fallback

// With Fallback
@GetMapping("/fallback/users")
@CircuitBreaker(name = USER_SERVICE, fallbackMethod = "getUserFallback")
public Mono<ResponseEntity> getUserWithFallback() {
// This will cause the exception and control will be transferred to fallback method.
return Mono.error(new TimeoutException("Timeout exception occurred."));
}