On Fri, 22 Dec 2023 10:19:28 GMT, Daniel <d...@openjdk.org> wrote: >> A null pointer exception occurs on the ScenePulseListener when iterating >> through the dirty node list. >> A null check is needed on the node before calling node.getScene(). >> >> The error occurs occasionally and causes the application to crash. >> >> Issue: [JDK-8298104: NPE on >> synchronizeSceneNodes()](https://bugs.openjdk.org/browse/JDK-8298104) > > Hi John, > > I've been working on moving our project from Java 8 to Java 17 and JavaFX 21 > for the past month. But I can't seem to fix a bug that keeps showing up, even > after running the applications for over 10 days on JavaFX version 21.0.1. > Now, I'm having trouble compiling javafx-graphics for Windows. Any ideas on > how to figure out what's causing the problem? > > **If anyone has the ability to assist us with this issue, please get in touch > with me. I would be willing to compensate for your help**. > > best regards, > Daniel > >  > > > 2023-12-15 11:00:37,026 ERROR [JavaFX Application Thread] > c.m.a.e.AdviseUncaughtExceptionHandler [?:?] AdviseUncaughtExceptionHandler > uncaughtException detects NullPointerException > 2023-12-15 11:00:37,026 ERROR [JavaFX Application Thread] > c.m.a.e.AdviseUncaughtExceptionHandler [?:?] NullPointerException => > java.lang.NullPointerException: Cannot invoke "javafx.scene.Node.getScene()" > because "<local2>" is null > at > javafx.scene.Scene$ScenePulseListener.synchronizeSceneNodes(Scene.java:2483) > at > javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2630) > at > com.sun.javafx.tk.Toolkit.lambda$runPulse$2(Toolkit.java:401) > at > java.base/java.security.AccessController.doPrivileged(AccessController.java:399) > at com.sun.javafx.tk.Toolkit.runPulse(Toolkit.java:400) > at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:430) > at > com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:592) > at > com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:572) > at > com.sun.javafx.tk.quantum.QuantumToolkit.pulseFromQueue(QuantumToolkit.java:565) > at > com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$11(QuantumToolkit.java:352) > at > com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95) > at com.sun.glass.ui.win.WinApplication._runLoop(Native Method) > at > com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:185) > at java.base/java.lang.Thread.run(Thread.java:840) > 2023-12-15 11:00:37,027 ERROR [JavaFX Application Thread] > c.m.a.e.AdviseUncaughtExceptionHandler [?:?] Exception > java.lang.NullPointerException: Cannot invoke "javafx.scene.Node.getScene()" > because "<local2>" is null > at...
I'm interested if you @buedi handled this issue, I mean whether you found reason behind it. In my current project I am facing the same problem. It happens hardly ever and only on one machine in my client's environment, so debugging is kinda hard. ------------- PR Comment: https://git.openjdk.org/jfx/pull/1123#issuecomment-2205621496
