PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(); CloseableHttpClient httpClient = HttpClients.custom() .setConnectionManager(connectionManager) .build(); HttpClient httpClient = HttpClientBuilder.create() .addInterceptorFirst(new RequestAcceptEncoding()) .addInterceptorFirst(new ResponseContentEncoding()) .build(); HttpClient httpClient = HttpClientBuilder.create() .setCacheConfig(CacheConfig.custom().setSharedCache(true).build()) .build(); RequestConfig requestConfig = RequestConfig.custom() .build(); HttpClient httpClient = HttpClientBuilder.create() .setDefaultRequestConfig(requestConfig) .build();