Problema ao compilar meu código?

Pessoal me ajudem, estou programando um sisteminha com banco de dados e todas as vezes que tento executar aparece esse erro:

Exception in thread “AWT-EventQueue-0” java.lang.UnsupportedOperationException: Not supported yet.
at connection.Connectionfactory$getConnection.close(Connectionfactory.java:138)
at connection.Connectionfactory.closeConnection(Connectionfactory.java:58)
at connection.Connectionfactory.closeConnection(Connectionfactory.java:67)
at model.dao.funcionarioDAO.salvar(funcionarioDAO.java:44)
at projetopoo.teladecadastro.button1ActionPerformed(teladecadastro.java:246)
at projetopoo.teladecadastro.access$300(teladecadastro.java:14)
at projetopoo.teladecadastro$4.actionPerformed(teladecadastro.java:96)
at java.awt.Button.processActionEvent(Button.java:409)
at java.awt.Button.processEvent(Button.java:377)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
CONSTRUÍDO COM SUCESSO (tempo total: 23 segundos)

manda mais informações que tipo de banco ta usando? como ta a conexão? esse erro é quando faz o que?
só assim fica dificil a galera ajudar.