Lo primero de todo es agradecerle su respuesta. He cambiado el nombre del servidor pero aún así NO ACCEDE el spark. Decir que sigue manteniendo en el firewall habilitado los puertos 5222 y 5223. ¿Tengo que habilitar algún otro puerto para esta nueva versión 2.8.1?

– error.log –
nov 09, 2016 11:29:49 AM org.jivesoftware.spark.util.log.Log error
GRAVE: connection error
java.net.SocketException: Unconnected sockets not implemented
at javax.net.SocketFactory.createSocket(Unknown Source)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.connectUsingConfiguration(XMPPTCPC onnection.java:573)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.connectInternal(XMPPTCPConnection. java:851)
at org.jivesoftware.smack.AbstractXMPPConnection.connect(AbstractXMPPConnection.ja va:364)
at org.jivesoftware.LoginDialog$LoginPanel.lambda$login$1(LoginDialog.java:1070)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(U nknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.UnsupportedOperationException
… 19 more
– warn.log –
nov 09, 2016 11:29:49 AM org.jivesoftware.spark.util.log.Log warning
ADVERTENCIA: Exception in Login:
org.jivesoftware.smack.SmackException$NotConnectedException: Client is not, or no longer, connected.
at org.jivesoftware.smack.tcp.XMPPTCPConnection.throwNotConnectedExceptionIfApprop riate(XMPPTCPConnection.java:343)
at org.jivesoftware.smack.AbstractXMPPConnection.login(AbstractXMPPConnection.java :451)
at org.jivesoftware.LoginDialog$LoginPanel.login(LoginDialog.java:1099)
at org.jivesoftware.LoginDialog$LoginPanel.access$900(LoginDialog.java:335)
at org.jivesoftware.LoginDialog$LoginPanel$3.construct(LoginDialog.java:869)
at org.jivesoftware.spark.util.SwingWorker.lambda$new$1(SwingWorker.java:142)
at java.lang.Thread.run(Unknown Source)