JavaFx - 线程中的无限异常“JavaFX应用程序线程”显示java.lang.NullPointerException [英] JavaFx - endless Exception in thread "JavaFX Application Thread" java.lang.NullPointerException

问题描述

我收到以下异常，甚至无法理解它出现在哪个地方。这是什么意思？

I get the following exception and even can't understand at what place it appears. What can it mean?

Exception in thread "JavaFX Application Thread" java.lang.NullPointerException
    at com.sun.javafx.text.PrismTextLayout.addTextRun(PrismTextLayout.java:755)
    at com.sun.javafx.text.GlyphLayout.addTextRun(GlyphLayout.java:140)
    at com.sun.javafx.text.GlyphLayout.breakRuns(GlyphLayout.java:210)
    at com.sun.javafx.text.PrismTextLayout.buildRuns(PrismTextLayout.java:770)
    at com.sun.javafx.text.PrismTextLayout.layout(PrismTextLayout.java:1021)
    at com.sun.javafx.text.PrismTextLayout.ensureLayout(PrismTextLayout.java:223)
    at com.sun.javafx.text.PrismTextLayout.getBounds(PrismTextLayout.java:246)
    at javafx.scene.text.Text.getLogicalBounds(Text.java:358)
    at javafx.scene.text.Text.impl_computeGeomBounds(Text.java:1168)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Parent.getChildTransformedBounds(Parent.java:1724)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1516)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Parent.getChildTransformedBounds(Parent.java:1724)
    at javafx.scene.Parent.updateCachedBounds(Parent.java:1588)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1527)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Parent.getChildTransformedBounds(Parent.java:1724)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1516)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Parent.getChildTransformedBounds(Parent.java:1724)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1516)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.computeLocalBounds(Node.java:3572)
    at javafx.scene.Node.updateLocalBounds(Node.java:3602)
    at javafx.scene.Node.getLocalBounds(Node.java:3463)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Parent.getChildTransformedBounds(Parent.java:1724)
    at javafx.scene.Parent.updateCachedBounds(Parent.java:1588)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1527)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Parent.getChildTransformedBounds(Parent.java:1724)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1516)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Parent.getChildTransformedBounds(Parent.java:1724)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1516)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.impl_intersectsBounds(Node.java:4992)
    at javafx.scene.layout.Region.impl_pickNodeLocal(Region.java:2931)
    at javafx.scene.Node.impl_pickNode(Node.java:4891)
    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:3711)
    at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3485)
    at javafx.scene.Scene$MouseHandler$1.run(Scene.java:3521)
    at com.sun.javafx.application.PlatformImpl.lambda$null$174(PlatformImpl.java:295)
    at com.sun.javafx.application.PlatformImpl$$Lambda$59/1182424050.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.application.PlatformImpl.lambda$runLater$175(PlatformImpl.java:294)
    at com.sun.javafx.application.PlatformImpl$$Lambda$58/1283229537.run(Unknown Source)
    at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
    at com.sun.glass.ui.gtk.GtkApplication.lambda$null$50(GtkApplication.java:139)
    at com.sun.glass.ui.gtk.GtkApplication$$Lambda$47/1609034571.run(Unknown Source)
    at java.lang.Thread.run(Thread.java:745)
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException: -1
    at java.util.ArrayList.elementData(ArrayList.java:418)
    at java.util.ArrayList.get(ArrayList.java:431)
    at com.sun.javafx.collections.ObservableListWrapper.get(ObservableListWrapper.java:89)
    at com.sun.javafx.collections.VetoableListDecorator.get(VetoableListDecorator.java:306)
    at javafx.scene.Parent.updateCachedBounds(Parent.java:1583)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1527)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Node.updateBounds(Node.java:538)
    at javafx.scene.Parent.updateBounds(Parent.java:1711)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2404)
    at com.sun.javafx.tk.Toolkit.lambda$runPulse$31(Toolkit.java:348)
    at com.sun.javafx.tk.Toolkit$$Lambda$167/1784277725.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.tk.Toolkit.runPulse(Toolkit.java:347)
    at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:374)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:510)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:490)
    at com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$405(QuantumToolkit.java:319)
    at com.sun.javafx.tk.quantum.QuantumToolkit$$Lambda$51/396808120.run(Unknown Source)
    at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
    at com.sun.glass.ui.gtk.GtkApplication.lambda$null$50(GtkApplication.java:139)
    at com.sun.glass.ui.gtk.GtkApplication$$Lambda$47/1609034571.run(Unknown Source)
    at java.lang.Thread.run(Thread.java:745)
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException: -1
    at java.util.ArrayList.elementData(ArrayList.java:418)
    at java.util.ArrayList.get(ArrayList.java:431)
    at com.sun.javafx.collections.ObservableListWrapper.get(ObservableListWrapper.java:89)
    at com.sun.javafx.collections.VetoableListDecorator.get(VetoableListDecorator.java:306)
    at javafx.scene.Parent.updateCachedBounds(Parent.java:1583)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1527)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Node.updateBounds(Node.java:538)
    at javafx.scene.Parent.updateBounds(Parent.java:1711)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2404)
    at com.sun.javafx.tk.Toolkit.lambda$runPulse$31(Toolkit.java:348)
    at com.sun.javafx.tk.Toolkit$$Lambda$167/1784277725.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.tk.Toolkit.runPulse(Toolkit.java:347)
    at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:374)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:510)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:490)
    at com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$405(QuantumToolkit.java:319)
    at com.sun.javafx.tk.quantum.QuantumToolkit$$Lambda$51/396808120.run(Unknown Source)
    at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
    at com.sun.glass.ui.gtk.GtkApplication.lambda$null$50(GtkApplication.java:139)
    at com.sun.glass.ui.gtk.GtkApplication$$Lambda$47/1609034571.run(Unknown Source)
    at java.lang.Thread.run(Thread.java:745)
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException: -1
    at java.util.ArrayList.elementData(ArrayList.java:418)
    at java.util.ArrayList.get(ArrayList.java:431)
    at com.sun.javafx.collections.ObservableListWrapper.get(ObservableListWrapper.java:89)
    at com.sun.javafx.collections.VetoableListDecorator.get(VetoableListDecorator.java:306)
    at javafx.scene.Parent.updateCachedBounds(Parent.java:1583)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1527)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Node.updateBounds(Node.java:538)
    at javafx.scene.Parent.updateBounds(Parent.java:1711)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2404)
    at com.sun.javafx.tk.Toolkit.lambda$runPulse$31(Toolkit.java:348)
    at com.sun.javafx.tk.Toolkit$$Lambda$167/1784277725.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.tk.Toolkit.runPulse(Toolkit.java:347)
    at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:374)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:510)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:490)
    at com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$405(QuantumToolkit.java:319)
    at com.sun.javafx.tk.quantum.QuantumToolkit$$Lambda$51/396808120.run(Unknown Source)
    at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
    at com.sun.glass.ui.gtk.GtkApplication.lambda$null$50(GtkApplication.java:139)
    at com.sun.glass.ui.gtk.GtkApplication$$Lambda$47/1609034571.run(Unknown Source)
    at java.lang.Thread.run(Thread.java:745)
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException: -1
    at java.util.ArrayList.elementData(ArrayList.java:418)
    at java.util.ArrayList.get(ArrayList.java:431)
    at com.sun.javafx.collections.ObservableListWrapper.get(ObservableListWrapper.java:89)
    at com.sun.javafx.collections.VetoableListDecorator.get(VetoableListDecorator.java:306)
    at javafx.scene.Parent.updateCachedBounds(Parent.java:1583)
    at javafx.scene.Parent.recomputeBounds(Parent.java:1527)
    at javafx.scene.Parent.impl_computeGeomBounds(Parent.java:1380)
    at javafx.scene.layout.Region.impl_computeGeomBounds(Region.java:3078)
    at javafx.scene.Node.updateGeomBounds(Node.java:3556)
    at javafx.scene.Node.getGeomBounds(Node.java:3509)
    at javafx.scene.Node.getLocalBounds(Node.java:3457)
    at javafx.scene.Node.updateTxBounds(Node.java:3620)
    at javafx.scene.Node.getTransformedBounds(Node.java:3403)
    at javafx.scene.Node.updateBounds(Node.java:538)
    at javafx.scene.Parent.updateBounds(Parent.java:1711)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Parent.updateBounds(Parent.java:1709)
    at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2404)
    at com.sun.javafx.tk.Toolkit.lambda$runPulse$31(Toolkit.java:348)
    at com.sun.javafx.tk.Toolkit$$Lambda$167/1784277725.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.tk.Toolkit.runPulse(Toolkit.java:347)
    at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:374)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:510)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:490)
    at com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$405(QuantumToolkit.java:319)
    at com.sun.javafx.tk.quantum.QuantumToolkit$$Lambda$51/396808120.run(Unknown Source)
    at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
    at com.sun.glass.ui.gtk.GtkApplication.lambda$null$50(GtkApplication.java:139)
    at com.sun.glass.ui.gtk.GtkApplication$$Lambda$47/1609034571.run(Unknown Source)
    at java.lang.Thread.run(Thread.java:745)
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException
Exception in thread "JavaFX Application Thread" java.lang.ArrayIndexOutOfBoundsException

推荐答案

这也发生在我身上，我只想写下我是如何解决它的。答案是：我正在从非JavaFX线程编辑GUI 。我绝对相信我不是，但我是。如果遇到此问题，请检查您的代码，并使用 Platform.runLater（）在正确的JavaFX线程中运行GUI更改。

This happened to me too, and I just wanted to write how I solved it. The answer is: I was editing the GUI from a non-JavaFX thread. I was absolutely convinced I wasn't but I was. Check your code if you have this issue, and use Platform.runLater() to run GUI changes in the correct JavaFX thread.

这篇关于JavaFx - 线程中的无限异常“JavaFX应用程序线程”显示java.lang.NullPointerException的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！