java.lang.NullPointerException

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    • java.lang.NullPointerException at com.sun.javafx.tk.quantum.QuantumToolkit.isSupported(QuantumToolkit.java:1146) at com.sun.javafx.application.PlatformImpl.isSupportedImpl(PlatformImpl.java:809) at com.sun.javafx.application.PlatformImpl.isSupported(PlatformImpl.java:482) at javafx.application.Platform.isSupported(Platform.java:168) at com.sun.javafx.scene.input.PickResultChooser.processOffer(PickResultChooser.java:182) at com.sun.javafx.scene.input.PickResultChooser.offer(PickResultChooser.java:143) at javafx.scene.Node.impl_intersects(Node.java:4943) at javafx.scene.layout.Region.impl_pickNodeLocal(Region.java:2942) at javafx.scene.Node.impl_pickNode(Node.java:4912) at javafx.scene.layout.Region.impl_pickNodeLocal(Region.java:2936) at javafx.scene.Node.impl_pickNode(Node.java:4912) at javafx.scene.layout.Region.impl_pickNodeLocal(Region.java:2936) at javafx.scene.Node.impl_pickNode(Node.java:4912) at javafx.scene.layout.Region.impl_pickNodeLocal(Region.java:2936) at javafx.scene.Node.impl_pickNode(Node.java:4912) at javafx.scene.layout.Region.impl_pickNodeLocal(Region.java:2936) at javafx.scene.Node.impl_pickNode(Node.java:4912) at javafx.scene.Scene$MouseHandler.pickNode(Scene.java:3899) at javafx.scene.Scene$MouseHandler.access$1600(Scene.java:3485) at javafx.scene.Scene.pick(Scene.java:1942) at javafx.scene.Scene.access$6700(Scene.java:159) at javafx.scene.Scene$MouseHandler.process(Scene.java:3799) at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3485) at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762) at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494) at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:380) at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:294) at java.security.AccessController.doPrivileged(Native Method) at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$354(GlassViewEventHandler.java:416) at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389) at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:415) at com.sun.glass.ui.View.handleMouseEvent(View.java:555) at com.sun.glass.ui.View.notifyMouse(View.java:937) at com.sun.glass.ui.monocle.MonocleView.notifyMouse(MonocleView.java:118) at com.sun.glass.ui.monocle.input.MouseInput.notifyMouse(MouseInput.java:309) at com.sun.glass.ui.monocle.input.MouseInput.lambda$postMouseEvent$22(MouseInput.java:222) at com.sun.glass.ui.monocle.RunnableProcessor.runLoop(RunnableProcessor.java:77) at com.sun.glass.ui.monocle.RunnableProcessor.enterNestedEventLoop(RunnableProcessor.java:92) at com.sun.glass.ui.monocle.MonocleApplication._enterNestedEventLoop(MonocleApplication.java:148) at com.sun.glass.ui.Application.enterNestedEventLoop(Application.java:511) at com.sun.glass.ui.EventLoop.enter(EventLoop.java:107) at com.sun.javafx.tk.quantum.QuantumToolkit.enterNestedEventLoop(QuantumToolkit.java:583) at javafx.stage.Stage.showAndWait(Stage.java:474) at address.controller.MainController.showTagList(MainController.java:425) at address.controller.RootLayoutController.handleShowTags(RootLayoutController.java:161) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71) at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275) at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1771) at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1657) at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86) at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238) at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191) at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58) at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74) at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49) at javafx.event.Event.fireEvent(Event.java:198) at javafx.scene.control.MenuItem.fire(MenuItem.java:462) at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1405) at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.lambda$createChildren$343(ContextMenuContent.java:1358) at com.sun.javafx.event.CompositeEventHandler$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)

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