java.lang.NullPointerException
   at org.netbeans.modules.db.explorer.DatabaseConnection$5.run(DatabaseConnection.java:694)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:425)
   at org.netbeans.modules.db.explorer.DatabaseConnection.showWaitingDialog(DatabaseConnection.java:687)
   at org.netbeans.modules.db.explorer.DatabaseConnection.access$400(DatabaseConnection.java:120)
   at org.netbeans.modules.db.explorer.DatabaseConnection$4.run(DatabaseConnection.java:651)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
   at java.awt.Dialog$1.run(Dialog.java:1046)
   at java.awt.Dialog$3.run(Dialog.java:1098)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.awt.Dialog.show(Dialog.java:1096)
   at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:1038)
   at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1072)
   at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1060)
   at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:126)
   at org.openide.util.Mutex.doEventAccess(Mutex.java:1361)
   at org.openide.util.Mutex.readAccess(Mutex.java:271)
   at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:1045)
   at java.awt.Component.show(Component.java:1563)
   at java.awt.Component.setVisible(Component.java:1515)
   at java.awt.Window.setVisible(Window.java:842)
   at java.awt.Dialog.setVisible(Dialog.java:986)
   at org.netbeans.modules.db.explorer.action.ConnectAction$ConnectionDialogDisplayer.showDialog(ConnectAction.java:334)
   at org.netbeans.modules.db.explorer.DatabaseConnection$9.run(DatabaseConnection.java:1198)
   at org.openide.util.Mutex.doEvent(Mutex.java:1341)
   at org.openide.util.Mutex.readAccess(Mutex.java:348)
   at org.netbeans.modules.db.explorer.DatabaseConnection.showConnectionDialog(DatabaseConnection.java:1195)
   at org.netbeans.api.db.explorer.ConnectionManager.showConnectionDialog(ConnectionManager.java:354)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.DBSchemaManager$2.run(DBSchemaManager.java:124)
   at org.netbeans.modules.j2ee.core.api.support.progress.ProgressSupport$ActionInvoker.invokeNextActionsOfSameKind(ProgressSupport.java:270)
   at org.netbeans.modules.j2ee.core.api.support.progress.ProgressSupport$ActionInvoker.invoke(ProgressSupport.java:186)
   at org.netbeans.modules.j2ee.core.api.support.progress.ProgressSupport.invoke(ProgressSupport.java:112)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.DBSchemaManager.getSchemaElement(DBSchemaManager.java:223)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.DatabaseTablesPanel.updateSourceSchema(DatabaseTablesPanel.java:520)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.DatabaseTablesPanel.access$600(DatabaseTablesPanel.java:102)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.DatabaseTablesPanel$3.run(DatabaseTablesPanel.java:220)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
   at java.awt.Dialog$1.run(Dialog.java:1046)
   at java.awt.Dialog$3.run(Dialog.java:1098)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.awt.Dialog.show(Dialog.java:1096)
   at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:1038)
   at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1072)
   at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1060)
   at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:126)
   at org.openide.util.Mutex.doEventAccess(Mutex.java:1361)
   at org.openide.util.Mutex.readAccess(Mutex.java:271)
   at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:1045)
   at java.awt.Component.show(Component.java:1563)
   at java.awt.Component.setVisible(Component.java:1515)
   at java.awt.Window.setVisible(Window.java:842)
   at java.awt.Dialog.setVisible(Dialog.java:986)
   at org.openide.loaders.TemplateWizard.instantiateImpl(TemplateWizard.java:498)
   at org.openide.loaders.TemplateWizard.instantiate(TemplateWizard.java:377)
   at org.netbeans.modules.project.ui.actions.NewFile.doPerform(NewFile.java:157)
   at org.netbeans.modules.project.ui.actions.NewFile.access$200(NewFile.java:83)
   at org.netbeans.modules.project.ui.actions.NewFile$PopupListener.actionPerformed(NewFile.java:336)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
   at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1223)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1264)
   at java.awt.Component.processMouseEvent(Component.java:6267)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
   at java.awt.Component.processEvent(Component.java:6032)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4630)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4577)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4238)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
   at java.awt.Container.dispatchEventImpl(Container.java:2085)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)