MONOCLE - NullPointerException in ChangeListener when Sanity tested
The following NPE happened on sanity testing
to reproduce:
1.execute sanity
2.Tabs and menus
3.play with different menus
4.open tab pane - see the exception


FX build under testing:
http://jfx.us.oracle.com/hudson/job/8u-dev/433/label=linux-arm-30/artifact/

Mar 17, 2014 11:46:21 AM com.sun.javafx.binding.ExpressionHelper$SingleChange fireValueChangedEvent
WARNING: Exception in ChangeListener
java.lang.NullPointerException
at com.sun.javafx.tk.quantum.WindowStage.requestToFront(WindowStage.java:811)
at com.sun.javafx.tk.quantum.WindowStage.setVisible(WindowStage.java:439)
at javafx.stage.Window$9.invalidated(Window.java:776)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:109)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.stage.Window.setShowing(Window.java:826)
at javafx.stage.Window.hide(Window.java:851)
at javafx.stage.PopupWindow.hide(PopupWindow.java:461)
at javafx.stage.PopupWindow$2.changed(PopupWindow.java:130)
at javafx.stage.PopupWindow$2.changed(PopupWindow.java:125)
at javafx.beans.value.WeakChangeListener.changed(WeakChangeListener.java:89)
at com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:182)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
at javafx.beans.property.ReadOnlyBooleanWrapper$ReadOnlyPropertyImpl.fireValueChangedEvent(ReadOnlyBooleanWrapper.java:178)
at javafx.beans.property.ReadOnlyBooleanWrapper$ReadOnlyPropertyImpl.access$100(ReadOnlyBooleanWrapper.java:148)
at javafx.beans.property.ReadOnlyBooleanWrapper.fireValueChangedEvent(ReadOnlyBooleanWrapper.java:144)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.stage.Window.setShowing(Window.java:826)
at javafx.stage.Window.hide(Window.java:851)
at javafx.stage.Stage.close(Stage.java:1188)
at helloworld.TestBuilder.openTabbedPane(TestBuilder.java:717)
at helloworld.TestBuilder$11.handle(TestBuilder.java:506)
at helloworld.TestBuilder$11.handle(TestBuilder.java:504)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Node.fireEvent(Node.java:8196)
at javafx.scene.control.Button.fire(Button.java:185)
at com.sun.javafx.scene.control.behavior.ButtonBehavior.mouseReleased(ButtonBehavior.java:182)
at com.sun.javafx.scene.control.skin.BehaviorSkinBase$1.handle(BehaviorSkinBase.java:97)
at com.sun.javafx.scene.control.skin.BehaviorSkinBase$1.handle(BehaviorSkinBase.java:90)
at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3712)
at javafx.scene.Scene$MouseHandler.access$1800(Scene.java:3440)
at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1663)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2455)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:326)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:251)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:360)
at com.sun.glass.ui.View.handleMouseEvent(View.java:526)
at com.sun.glass.ui.View.notifyMouse(View.java:898)
at com.sun.glass.ui.monocle.MonocleView.notifyMouse(MonocleView.java:115)
at com.sun.glass.ui.monocle.input.MouseInput.setState(MouseInput.java:143)
at com.sun.glass.ui.monocle.linux.LinuxMouseProcessor.sendEvent(LinuxMouseProcessor.java:107)
at com.sun.glass.ui.monocle.linux.LinuxMouseProcessor.processEvents(LinuxMouseProcessor.java:77)
at com.sun.glass.ui.monocle.linux.LinuxInputDevice$EventProcessor.run(LinuxInputDevice.java:180)
at com.sun.glass.ui.monocle.RunnableProcessor.runLoop(RunnableProcessor.java:80)
at com.sun.glass.ui.monocle.RunnableProcessor.run(RunnableProcessor.java:47)
at java.lang.Thread.run(Thread.java:744)