Need help in Spring Boot

[John Joe]

I'm using spring-retry in Spring Boot.

The retry works but it only return to Class A after the retries end. Is it possible to return to Class A and at the same time do the retries in Class B ?

The code begin here

Class A

   try {
            RestTemplate restTemplate = new RestTemplate();
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            HttpEntity<JDto> entity = new HttpEntity<>(pos, headers);
            ResponseEntity<String> responseEntity = restTemplate.postForEntity(url + "/abc/" + Id , entity, String.class);
                   .......
          } catch (HttpStatusCodeException ex) {
             // run here since status code not 200
      } 

Class B (Implement Spring-retry)
   

   @PostMapping("abc/{Id}")
        @Retryable(maxAttempts = 3,value=RuntimeException.class,backoff = @Backoff(delay=10000))
        public ResponseEntity<String> abc(@PathVariable("Id") String Id, @RequestBody JDto jdto) throws ISOException, ParseException {
           attempts++;
    
            NDto non = new NDto();
            HttpEntity notificationEntity = new HttpEntity(non, buildHttpHeaders());
            String theUrl = url + "/abc/" + Id;
            try {
                ResponseEntity<NDto> responseEntity = restTemplate.exchange(theUrl, HttpMethod.POST, cationEntity, NDto.class);
                return restTemplate.exchange(theUrl, HttpMethod.POST, notificationEntity, String.class);
            } catch (HttpStatusCodeException ex) {
                String a = ex.getStatusCode().toString();
                switch (a) {
                    case "400":
                        log.error("Bad Request");
                        break;
                    case "404":
                        log.error("Transaction Not Found");
                        break;
                }       
                }              
                throw new RuntimeException();
            }
        }
    
        @Recover
        public void recover(RuntimeException e){  // if fail 3 times
            System.out.println("Stop sending as it has hinted maximum attempts");
        }

Any suggestions would be appreciated.