OpenSSL
OpenJDK
JDK
HttpComponents
在jdk1.7下是正常的，jdk1.8会报出以下异常：
javax.net.ssl.SSLException: Unsupported record version SSLv2Hello
报错信息如下：
Caused by: [javax.net.ssl.SSLException - Unsupported record version SSLv2Hello] javax.net.ssl.SSLException: Unsupported record version SSLv2Hello at sun.security.ssl.InputRecord.checkRecordVersion(InputRecord.java:552)[:1.8.0_45] at sun.security.ssl.InputRecord.readV3Record(InputRecord.java:565)[:1.8.0_45] at sun.security.ssl.InputRecord.read(InputRecord.java:529)[:1.8.0_45] at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:961)[:1.8.0_45] at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1363)[:1.8.0_45] at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1391)[:1.8.0_45] at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1375)[:1.8.0_45]
