java.lang.NullPointerException
        at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:86)
        at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2005)
        at org.hibernate.cfg.JDBCMetaDataConfiguration.readFromJDBC(JDBCMetaDataConfiguration.java:40)
        at org.netbeans.modules.hibernate.wizards.HibernateRevengWizard.generateClasses(HibernateRevengWizard.java:332)
        at org.netbeans.modules.hibernate.wizards.HibernateRevengWizard.instantiate(HibernateRevengWizard.java:459)
        at org.openide.loaders.TemplateWizard$InstantiatingIteratorBridge.instantiate(TemplateWizard.java:1016)
        at org.openide.loaders.TemplateWizard.handleInstantiate(TemplateWizard.java:588)
        at org.openide.loaders.TemplateWizard.instantiateNewObjects(TemplateWizard.java:409)
        at org.openide.loaders.TemplateWizardIterImpl.instantiate(TemplateWizardIterImpl.java:253)
        at org.openide.loaders.TemplateWizardIteratorWrapper.instantiate(TemplateWizardIteratorWrapper.java:165)
        at org.openide.WizardDescriptor.callInstantiateOpen(WizardDescriptor.java:1506)
        at org.openide.WizardDescriptor.callInstantiate(WizardDescriptor.java:1463)
        at org.openide.WizardDescriptor.access$1700(WizardDescriptor.java:121)
        at org.openide.WizardDescriptor$Listener$2$1.run(WizardDescriptor.java:2031)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:573)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1005)