java.lang.IllegalStateException: Should not acquire Children.MUTEX while holding ProjectManager.mutex() at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1828) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1320) at org.openide.util.Mutex.readAccess(Mutex.java:275) at org.openide.explorer.view.TreeView$ExplorerTree$GuardedActions.(TreeView.java:2152) at org.openide.explorer.view.TreeView$ExplorerTree.paint(TreeView.java:1859) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JViewport.paint(JViewport.java:747) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at org.netbeans.swing.tabcontrol.TabbedContainer.paint(TabbedContainer.java:956) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at org.netbeans.core.windows.view.ui.MultiSplitPane.paint(MultiSplitPane.java:325) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at org.netbeans.core.windows.view.ui.MultiSplitPane.paint(MultiSplitPane.java:325) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JLayeredPane.paint(JLayeredPane.java:567) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JLayeredPane.paint(JLayeredPane.java:567) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paintToOffscreen(JComponent.java:5131) at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1475) at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1406) at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:294) at javax.swing.RepaintManager.paint(RepaintManager.java:1220) at javax.swing.JComponent.paint(JComponent.java:1015) at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:21) at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:60) at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:97) at java.awt.Container.paint(Container.java:1780) at org.netbeans.core.windows.view.ui.MainWindow.paint(MainWindow.java:553) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:814) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:714) at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:694) at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:128) 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:133) 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:1045) at java.awt.Dialog$3.run(Dialog.java:1097) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1095) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:1003) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1037) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1025) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:118) at org.openide.util.Mutex.doEventAccess(Mutex.java:1355) at org.openide.util.Mutex.readAccess(Mutex.java:268) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:1010) at java.awt.Component.show(Component.java:1563) at java.awt.Component.setVisible(Component.java:1515) at java.awt.Window.setVisible(Window.java:841) at java.awt.Dialog.setVisible(Dialog.java:985) at org.netbeans.core.windows.services.DialogDisplayerImpl$1AWTQuery.showDialog(DialogDisplayerImpl.java:242) at org.netbeans.core.windows.services.DialogDisplayerImpl.notify(DialogDisplayerImpl.java:258) at org.netbeans.core.windows.services.DialogDisplayerImpl.notify(DialogDisplayerImpl.java:155) at org.netbeans.modules.javafx.project.ui.customizer.JavaFXProjectProperties.showModifiedMessage(JavaFXProjectProperties.java:767) at org.netbeans.modules.javafx.project.ui.customizer.JavaFXProjectProperties.access$200(JavaFXProjectProperties.java:110) at org.netbeans.modules.javafx.project.ui.customizer.JavaFXProjectProperties$1.run(JavaFXProjectProperties.java:432) at org.netbeans.modules.javafx.project.ui.customizer.JavaFXProjectProperties$1.run(JavaFXProjectProperties.java:426) at org.openide.util.Mutex.writeAccess(Mutex.java:433) at org.netbeans.modules.javafx.project.ui.customizer.JavaFXProjectProperties.save(JavaFXProjectProperties.java:426) at org.netbeans.modules.javafx.project.ui.customizer.CustomizerProviderImpl$OptionListener.actionPerformed(CustomizerProviderImpl.java:164) at org.netbeans.modules.project.uiapi.CustomizerDialog$OptionListener$1.run(CustomizerDialog.java:246) at org.openide.util.Mutex.writeAccess(Mutex.java:394) at org.netbeans.modules.project.uiapi.CustomizerDialog$OptionListener.actionPerformed(CustomizerDialog.java:244) 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.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236) at java.awt.Component.processMouseEvent(Component.java:6263) at javax.swing.JComponent.processMouseEvent(JComponent.java:3267) at java.awt.Component.processEvent(Component.java:6028) 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:4574) 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:2475) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:133) 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)