javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake

When you are trying to connect your client to your server via SSL/TLS connection, you received the following exception.

javax.net.ssl.SSLException: Connection has been shutdown: javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake
at sun.security.ssl.SSLSocketImpl.checkEOF(Unknown Source)
at sun.security.ssl.SSLSocketImpl.checkWrite(Unknown Source)
at sun.security.ssl.AppOutputStream.write(Unknown Source)
at org.apache.http.impl.io.AbstractSessionOutputBuffer.flushBuffer(AbstractSessionOutputBuffer.java:131)
at org.apache.http.impl.io.AbstractSessionOutputBuffer.flush(AbstractSessionOutputBuffer.java:138)
at org.apache.http.impl.conn.LoggingSessionOutputBuffer.flush(LoggingSessionOutputBuffer.java:95)

. . . . . .

Caused by: javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake
at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.writeRecord(Unknown Source)
at sun.security.ssl.AppOutputStream.write(Unknown Source)

. . . . . .

Caused by: java.io.EOFException: SSL peer shut down incorrectly
at sun.security.ssl.InputRecord.read(Unknown Source)


This exception occurs when the client and the server cannot agree on a version of the encryption protocol to use. At the beginning of the handshaking, the client sends the sever a message indicating what protocol it is ready to support, if by default the server does not support this protocol, the server will close the connection.

To fix this problem, add the following line to your code, which includes the protocol the client uses.

((SSLServerSocket) serverSocket).setEnabledProtocols(new String[]{"TLSv1", "TLSv1.1", "TLSv1.2", "SSLv3"});

or 

System.setProperty(“https.protocols”, “TLSv1,TLSv1.2,TLSv1.1,SSLv3”);

And make sure that your client code does not call the startShakeHand method after the client socket is created.

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