javac -encoding gbk  -Djava.ext.dirs=../lib/ TestMSSQL.java

java -Djava.ext.dirs=../lib/ TestMSSQL

报错

com.microsoft.sqlserver.jdbc.SQLServerException: 驱动程序无法通过使用安全套接字层(SSL)加密与 SQL Server 建立安全连接。错误:“RSA premaster secret error”。
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:1352)
        at com.microsoft.sqlserver.jdbc.TDSChannel.enableSSL(IOBuffer.java:1533)
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1042)
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:817)
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:700)
        at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:842)
        at java.sql.DriverManager.getConnection(DriverManager.java:582)
        at java.sql.DriverManager.getConnection(DriverManager.java:185)
        at com.shxy.db.DBFactory.getMSSQLConn(DBFactory.java:126)
        at TestMSSQL.main(TestMSSQL.java:28)
Caused by: javax.net.ssl.SSLKeyException: RSA premaster secret error
        at com.sun.net.ssl.internal.ssl.RSAClientKeyExchange.<init>(RSAClientKeyExchange.java:97)
        at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverHelloDone(ClientHandshaker.java:574)
        at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:197)
        at com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Handshaker.java:516)
        at com.sun.net.ssl.internal.ssl.Handshaker.process_record(Handshaker.java:454)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:884)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1096)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1123)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1107)
        at com.microsoft.sqlserver.jdbc.TDSChannel.enableSSL(IOBuffer.java:1483)
        ... 8 more
Caused by: java.security.NoSuchAlgorithmException: SunTlsRsaPremasterSecret KeyGenerator not available
        at javax.crypto.KeyGenerator.<init>(DashoA13*..)
        at javax.crypto.KeyGenerator.getInstance(DashoA13*..)
        at com.sun.net.ssl.internal.ssl.JsseJce.getKeyGenerator(JsseJce.java:223)
        at com.sun.net.ssl.internal.ssl.RSAClientKeyExchange.<init>(RSAClientKeyExchange.java:89)
        ... 17 more

解决方法:

把JAVA_HOME 的\jre\lib\ext\sunjce_provider.jar下就可以解决了。放到项目依赖包中