Apache HttpComponents Client 4.4.1 GA 发布,此版本主要更新信息如下: Marked RFC 2109, RFC 2965, Netscape draft cookie specs as obsolete Contributed by Oleg Kalnichevski <olegk at apache.org> [HTTPCLIENT-1633] RFC6265CookieSpecProvider compatibility level setting has no effect. Contributed by Oleg Kalnichevski <olegk at apache.org> [HTTPCLIENT-1628]: Auth cache can fail when domain name contains uppercase characters. Contributed by Dennis Ju <dejuknow at gmail.com> [HTTPCLIENT-1609] Stale connection check in PoolingHttpClientConnectionManager has no effect. Internal connection pool does not correctly implement connection validation. Contributed by Charles Lip <rene1 at singnet.com.sg> 详细信息请查看发行页面。 下载地址为: http://hc.apache.org/downloads.cgi HttpComponents 也就是以前的httpclient项目,可以用来提供高效的、最新的、功能丰富的支持 HTTP 协议的客户端/服务器编程工具包,并且它支持 HTTP 协议最新的版本和建议。不过现在的 HttpComponents 包含多个子项目,有: HttpComponents Core HttpComponents Client HttpComponents AsyncClient Commons HttpClient HttpComponents Client 4.4.1 GA 发布,HTTP 协议库下载地址