Spring RestTemplate initialization example including timeout configuration

RestTemplateConfig.java

@Configuration
@Slf4j
public class RestTemplateConfig {
    @Value("${restTemplate.timeout.msec:5000}")
    private int timeoutInMillisecond;

    @Bean
    public HttpComponentsClientHttpRequestFactory httpRequestFactory() {
        HttpComponentsClientHttpRequestFactory httpRequestFactory = new HttpComponentsClientHttpRequestFactory();
        httpRequestFactory.setConnectionRequestTimeout(timeoutInMillisecond);
        httpRequestFactory.setConnectTimeout(timeoutInMillisecond);
        httpRequestFactory.setReadTimeout(timeoutInMillisecond);

        LOGGER.debug("HttpRequestFactory configuration. connectionRequestTimeout(msec) : {}, connectTimeout(msec) : {}, readTimeout(msec) : {}",
                timeoutInMillisecond,
                timeoutInMillisecond,
                timeoutInMillisecond
        );

        return httpRequestFactory;
    }

    @Bean
    public RestTemplate restTemplate(HttpComponentsClientHttpRequestFactory httpRequestFactory) {
        return new RestTemplate(httpRequestFactory);
    }
}