java.lang.IllegalStateException: Should not acquire Children.MUTEX while holding ProjectManager.mutex()
   at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1828)
   at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1320)
   at org.openide.util.Mutex.readAccess(Mutex.java:351)
   at org.openide.explorer.view.VisualizerNode$QP.run(VisualizerNode.java:676)
   at org.openide.util.Mutex.doEvent(Mutex.java:1335)
   at org.openide.util.Mutex.writeAccess(Mutex.java:452)
   at org.openide.explorer.view.VisualizerNode$QP.runSafe(VisualizerNode.java:658)
   at org.openide.explorer.view.VisualizerNode.propertyChange(VisualizerNode.java:417)
Caused: java.lang.reflect.InvocationTargetException
   at sun.reflect.GeneratedMethodAccessor36.invoke(GeneratedMethodAccessor36.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:451)
Caused: java.lang.reflect.UndeclaredThrowableException
   at $Proxy7.propertyChange(.java:0)
   at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1244)
   at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1196)
   at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1171)
   at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1244)
   at org.openide.nodes.Node.fireNameChange(Node.java:1030)
   at org.netbeans.modules.javafx.project.ui.PlatformNode.stateChanged(PlatformNode.java:159)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:130)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:116)
   at org.netbeans.modules.javafx.project.ui.PlatformNode$PlatformProvider.propertyChange(PlatformNode.java:286)
   at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:188)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
   at org.netbeans.spi.project.support.ant.SequentialPropertyEvaluator.stateChanged(SequentialPropertyEvaluator.java:205)
   at org.openide.util.WeakListenerImpl$Change.stateChanged(WeakListenerImpl.java:321)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:130)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:116)
   at org.netbeans.spi.project.support.ant.ProjectProperties$PP$2.run(ProjectProperties.java:345)
   at org.netbeans.spi.project.support.ant.ProjectProperties$PP$2.run(ProjectProperties.java:343)
   at org.openide.util.Mutex.readAccess(Mutex.java:285)
   at org.netbeans.spi.project.support.ant.ProjectProperties$PP.fireChange(ProjectProperties.java:351)
   at org.netbeans.spi.project.support.ant.ProjectProperties$PP.put(ProjectProperties.java:220)
   at org.netbeans.spi.project.support.ant.ProjectProperties.putProperties(ProjectProperties.java:128)
   at org.netbeans.spi.project.support.ant.AntProjectHelper$6.run(AntProjectHelper.java:731)
   at org.netbeans.spi.project.support.ant.AntProjectHelper$6.run(AntProjectHelper.java:729)
   at org.openide.util.Mutex.writeAccess(Mutex.java:394)
   at org.netbeans.spi.project.support.ant.AntProjectHelper.putProperties(AntProjectHelper.java:729)
   at org.netbeans.modules.java.api.common.ant.UpdateHelper$2.run(UpdateHelper.java:114)
   at org.openide.util.Mutex.writeAccess(Mutex.java:469)
   at org.netbeans.modules.java.api.common.ant.UpdateHelper.putProperties(UpdateHelper.java:109)
   at org.netbeans.modules.javafx.project.ui.customizer.JavaFXProjectProperties.storeProperties(JavaFXProjectProperties.java:531)
   at org.netbeans.modules.javafx.project.ui.customizer.JavaFXProjectProperties.access$300(JavaFXProjectProperties.java:110)
   at org.netbeans.modules.javafx.project.ui.customizer.JavaFXProjectProperties$1.run(JavaFXProjectProperties.java:443)
   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:2028)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
   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:6348)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
   at java.awt.Component.processEvent(Component.java:6113)
   at java.awt.Container.processEvent(Container.java:2085)
   at java.awt.Component.dispatchEventImpl(Component.java:4714)
   at java.awt.Container.dispatchEventImpl(Container.java:2143)
   at java.awt.Component.dispatchEvent(Component.java:4544)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4618)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4282)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4212)
   at java.awt.Container.dispatchEventImpl(Container.java:2129)
   at java.awt.Window.dispatchEventImpl(Window.java:2475)
   at java.awt.Component.dispatchEvent(Component.java:4544)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:635)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:131)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)