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via GitHub by damithc
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at address.model.ModelManager.personHasOngoingChange(ModelManager.java:256)	at address.model.ModelManager.deletePersonThroughUI(ModelManager.java:185)	at address.controller.PersonOverviewController.lambda$handleDeletePersons$13(PersonOverviewController.java:127)	at java.util.Iterator.forEachRemaining(Iterator.java:116)	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)	at address.controller.PersonOverviewController.handleDeletePersons(PersonOverviewController.java:125)	at address.controller.PersonOverviewController.lambda$createContextMenu$20(PersonOverviewController.java:215)	at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)	at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)	at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)	at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)	at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)	at javafx.event.Event.fireEvent(Event.java:198)	at javafx.scene.control.MenuItem.fire(MenuItem.java:462)	at com.sun.javafx.scene.control.ControlAcceleratorSupport.lambda$doAcceleratorInstall$12(ControlAcceleratorSupport.java:165)	at com.sun.javafx.scene.KeyboardShortcutsHandler.processAccelerators(KeyboardShortcutsHandler.java:347)	at com.sun.javafx.scene.KeyboardShortcutsHandler.dispatchBubblingEvent(KeyboardShortcutsHandler.java:163)	at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)	at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)	at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)	at javafx.event.Event.fireEvent(Event.java:198)	at javafx.scene.Scene$KeyHandler.process(Scene.java:3964)	at javafx.scene.Scene$KeyHandler.access$1800(Scene.java:3910)	at javafx.scene.Scene.impl_processKeyEvent(Scene.java:2040)	at javafx.scene.Scene$ScenePeerListener.keyEvent(Scene.java:2501)	at com.sun.javafx.tk.quantum.GlassViewEventHandler$KeyEventNotification.run(GlassViewEventHandler.java:197)	at com.sun.javafx.tk.quantum.GlassViewEventHandler$KeyEventNotification.run(GlassViewEventHandler.java:147)	at java.security.AccessController.doPrivileged(Native Method)	at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleKeyEvent$353(GlassViewEventHandler.java:228)	at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)	at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleKeyEvent(GlassViewEventHandler.java:227)	at com.sun.glass.ui.View.handleKeyEvent(View.java:546)	at com.sun.glass.ui.View.notifyKey(View.java:966)	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)	at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)	at java.lang.Thread.run(Thread.java:745)