The attached application works with JDK 8, with JDK 9 latest build the following exception is seen:

Exception in thread "main" java.lang.Error: Error during hash calculation
at sun.security.ssl.HandshakeHash.getFinishedHash(java.base@9-ea/HandshakeHash.java:358)
at sun.security.ssl.HandshakeMessage$Finished.getFinished(java.base@9-ea/HandshakeMessage.java:2331)
at sun.security.ssl.HandshakeMessage$Finished.<init>(java.base@9-ea/HandshakeMessage.java:2278)
at sun.security.ssl.ClientHandshaker.sendChangeCipherAndFinish(java.base@9-ea/ClientHandshaker.java:1328)
at sun.security.ssl.ClientHandshaker.serverHelloDone(java.base@9-ea/ClientHandshaker.java:1240)
at sun.security.ssl.ClientHandshaker.processMessage(java.base@9-ea/ClientHandshaker.java:414)
at sun.security.ssl.Handshaker.processLoop(java.base@9-ea/Handshaker.java:1061)
at sun.security.ssl.Handshaker.processRecord(java.base@9-ea/Handshaker.java:995)
at sun.security.ssl.SSLSocketImpl.processInputRecord(java.base@9-ea/SSLSocketImpl.java:1132)
at sun.security.ssl.SSLSocketImpl.readRecord(java.base@9-ea/SSLSocketImpl.java:1069)
at sun.security.ssl.SSLSocketImpl.readRecord(java.base@9-ea/SSLSocketImpl.java:968)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(java.base@9-ea/SSLSocketImpl.java:1395)
at sun.security.ssl.SSLSocketImpl.startHandshake(java.base@9-ea/SSLSocketImpl.java:1422)
at sun.security.ssl.SSLSocketImpl.startHandshake(java.base@9-ea/SSLSocketImpl.java:1406)
at sun.net.www.protocol.https.HttpsClient.afterConnect(java.base@9-ea/HttpsClient.java:558)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(java.base@9-ea/AbstractDelegateHttpsURLConnection.java:185)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(java.base@9-ea/HttpURLConnection.java:1505)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(java.base@9-ea/HttpURLConnection.java:1433)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(java.base@9-ea/HttpsURLConnectionImpl.java:235)
at jdk9httpconnection.JDK9httpConnection.main(JDK9httpConnection.java:36)
Caused by: java.lang.RuntimeException: Could not clone digest
at sun.security.ssl.HandshakeHash.cloneDigest(java.base@9-ea/HandshakeHash.java:303)
at sun.security.ssl.HandshakeHash.getFinishedHash(java.base@9-ea/HandshakeHash.java:356)
... 19 more
Caused by: java.lang.CloneNotSupportedException: SHA-256
at sun.security.pkcs11.P11Digest.clone(jdk.crypto.pkcs11@9-ea/P11Digest.java:316)
at java.security.MessageDigest$Delegate.clone(java.base@9-ea/MessageDigest.java:573)
at sun.security.ssl.HandshakeHash.cloneDigest(java.base@9-ea/HandshakeHash.java:300)
... 20 more
Caused by: sun.security.pkcs11.wrapper.PKCS11Exception: CKR_STATE_UNSAVEABLE
at sun.security.pkcs11.wrapper.PKCS11.C_GetOperationState(jdk.crypto.pkcs11@9-ea/Native Method)
at sun.security.pkcs11.P11Digest.clone(jdk.crypto.pkcs11@9-ea/P11Digest.java:311)
... 22 more