OkHttp 3.9.1 已发布，该版本更新内容不多，包含两个新特性和一个修复：
Version 3.9.1 2017-11-18
New: Recover gracefully when Android's DNS crashes with an unexpected NullPointerException.
New: Recover gracefully when Android's socket connections crash with an unexpected ClassCastException.
Fix: Don't include the URL's fragment in encodedQuery() when the query itself is empty.
okhttp 是一个 Java 的 HTTP+SPDY 客户端开发包，同时也支持 Android。
软件详情：http://git.oschina.net/mirrors/okhttp
下载地址：https://github.com/square/okhttp/archive/parent-3.9.1.zip
来自:开源中国社区
