ConcurrentModificationException when Opening GUI

[thozimm]

I get this exception, if I open the BEAST GUI again after having already used it before. The exception only happens when I have closed the previous session with the X button. If I close the whole process with CMD+Q the exception is not raised.

BEAST v2.7.7, 2002-2024

Exception in thread "AppKit Thread" java.util.ConcurrentModificationException
at java.base/java.util.HashMap$HashIterator.nextNode(Unknown Source)
at java.base/java.util.HashMap$EntryIterator.next(Unknown Source)
at java.base/java.util.HashMap$EntryIterator.next(Unknown Source)
at java.base/java.util.AbstractCollection.addAll(Unknown Source)
at java.base/java.util.HashSet.(Unknown Source)
at javafx.graphics/javafx.scene.CssStyleHelper.resetToInitialValues(Unknown Source)
at javafx.graphics/javafx.scene.CssStyleHelper.createStyleHelper(Unknown Source)
at javafx.graphics/javafx.scene.Node.reapplyCss(Unknown Source)
at javafx.graphics/javafx.scene.Node.reapplyCss(Unknown Source)
at javafx.graphics/javafx.scene.Node.doProcessCSS(Unknown Source)
at javafx.graphics/javafx.scene.Node$1.doProcessCSS(Unknown Source)
at javafx.graphics/com.sun.javafx.scene.NodeHelper.processCSSImpl(Unknown Source)
at javafx.graphics/com.sun.javafx.scene.ParentHelper.superProcessCSSImpl(Unknown Source)
at javafx.graphics/com.sun.javafx.scene.ParentHelper.superProcessCSS(Unknown Source)
at javafx.graphics/javafx.scene.Parent.doProcessCSS(Unknown Source)
at javafx.graphics/javafx.scene.Parent$1.doProcessCSS(Unknown Source)
at javafx.graphics/com.sun.javafx.scene.ParentHelper.processCSSImpl(Unknown Source)
at javafx.controls/com.sun.javafx.scene.control.ControlHelper.superProcessCSSImpl(Unknown Source)
at javafx.controls/com.sun.javafx.scene.control.ControlHelper.superProcessCSS(Unknown Source)
at javafx.controls/javafx.scene.control.Control.doProcessCSS(Unknown Source)
at javafx.controls/javafx.scene.control.Control$1.doProcessCSS(Unknown Source)
at javafx.controls/com.sun.javafx.scene.control.ControlHelper.processCSSImpl(Unknown Source)
at javafx.graphics/com.sun.javafx.scene.NodeHelper.processCSS(Unknown Source)
at javafx.graphics/javafx.scene.Node.processCSS(Unknown Source)
at javafx.graphics/javafx.scene.Scene.doCSSPass(Unknown Source)
at javafx.graphics/javafx.scene.Scene$ScenePulseListener.pulse(Unknown Source)
at javafx.graphics/com.sun.javafx.tk.Toolkit.lambda$runPulse$2(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Unknown Source)
at javafx.graphics/com.sun.javafx.tk.Toolkit.runPulse(Unknown Source)
at javafx.graphics/com.sun.javafx.tk.Toolkit.firePulse(Unknown Source)
at javafx.graphics/com.sun.javafx.tk.quantum.QuantumToolkit.pulse(Unknown Source)
at javafx.graphics/com.sun.javafx.tk.quantum.QuantumToolkit.pulse(Unknown Source)
at javafx.graphics/com.sun.javafx.tk.quantum.QuantumToolkit.pulseFromQueue(Unknown Source)
at javafx.graphics/com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$11(Unknown Source)
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)

[rbouckaert]

Thanks for the report -- I can replicate the problem, but it seems harmless at first sight.
This needs to be fixed of course, but I think it is safe to ignore it for now.