@Bean
    public RestTemplate restTemplate() {
        RestTemplate restTemplate = new RestTemplate();
        restTemplate.setRequestFactory(clientHttpRequestFactory());
        restTemplate.setErrorHandler(new DefaultResponseErrorHandler());
        setRestTemplateEncode(restTemplate);
        return restTemplate;
    }
Get the timeout time of the connection from the connection pool,
and throw ConnectionPoolTimeoutException when timeout
inlong-manager/manager-web/src/main/java/org/apache/inlong/manager/web/config/RestTemplateConfig.java