Apache HttpComponents 项目发布了HttpComponents Core 4.4.5 GA ，这是一个维护版本，修复了4.4.4以来的一系列bug。
更新日志：
[HTTPCLIENT-1743] remove dependency on CC-BY licensed source
[HTTPCORE-420] Blocking HttpServer does not close out persistent connection when shut down * Support 64-bit chunk headers
Fixed race condition in request initialization code and #endOfInput method in async client protocol handlers
[HTTPCORE-417] SSLIOSession#writePlain incorrectly handles closed channel condition leading to an infinite loop
[HTTPCORE-416] DefaultConnectingIOReactor to treat failure to open a channel for a new outgoing connection as a recoverable request failure
PATCH method support