Retires with exponential backup using Spring WebFlux WebClient

webclient.java

webClient.get().uri(uri)
                .headers(headers -> headers.addAll(httpHeaders))
                .retrieve()
                .bodyToMono(new ParameterizedTypeReference<Map<String, Object>>() {
                })
                .log(this.getClass().getName(), Level.FINE)
                .retryWhen(
                        Retry.backoff(3, Duration.ofSeconds(2))
                                .jitter(0.7)
                                .filter(throwable -> throwable instanceof RuntimeException ||
                                        (throwable instanceof WebClientResponseException &&
                                        (((WebClientResponseException) throwable).getStatusCode() == HttpStatus.GATEWAY_TIMEOUT || ((WebClientResponseException) throwable).getStatusCode() == HttpStatus.SERVICE_UNAVAILABLE || ((WebClientResponseException) throwable).getStatusCode() == HttpStatus.BAD_GATEWAY)))
                                .onRetryExhaustedThrow((retryBackoffSpec, retrySignal) -> {
                                    log.error("Service at {} failed to respond, after max attempts of: {}", uri, retrySignal.totalRetries());
                                    return retrySignal.failure();
                                }))
                .onErrorResume(WebClientResponseException.class, ex -> ex.getStatusCode().is4xxClientError() ? Mono.empty() : Mono.error(ex));