你可能想跟踪 https://issues.apache.org/jira/browse/HTTPCLIENT-1119

Java 7的底层客户端实现能够支持它并通过SSLSocketImpl #setHost（由sun.net.www.protocol调用）公开该功能。 Java 7使用的https.HttpsClient

the underlying client implementation of Java 7 is capable to support it and exposes the feature via SSLSocketImpl#setHost (called by sun.net.www.protocol.https.HttpsClient

    new URL("https://cmbntr.sni.velox.ch/").openStream()

直到HTTPCLIENT- 1119是固定的

until HTTPCLIENT-1119 is fixed