ConcurrentModificationException during controls test runs

[David Grieve]

Thanks, John. I'll add this trace to https://javafx-jira.kenai.com/browse/RT-31714. If you have a short, self-contained, correct example that you can add to this issue, that will help me verify the fix. 

On Jul 17, 2013, at 9:14 AM, John Hendrikx <hjohn at xs4all.nl> wrote:

> 
> I just got one too, but not related to any ComboBox in b98 as I don't use any ComboBoxes.  Probably related to a TreeView control:
> 
> java.util.ConcurrentModificationException
>    at java.util.HashMap$HashIterator.nextEntry(HashMap.java:2395)
>    at java.util.HashMap$EntryIterator.next(HashMap.java:2466)
>    at java.util.HashMap$EntryIterator.next(HashMap.java:2464)
>    at javafx.scene.CssStyleHelper.resetToInitialValues(CssStyleHelper.java:280)
>    at javafx.scene.CssStyleHelper.createStyleHelper(CssStyleHelper.java:95)
>    at javafx.scene.Node.impl_processCSS(Node.java:8619)
>    at javafx.scene.Parent.impl_processCSS(Parent.java:1192)
>    at javafx.scene.control.Control.impl_processCSS(Control.java:863)
>    at javafx.scene.Node.processCSS(Node.java:8548)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Node.processCSS(Node.java:8539)
>    at javafx.scene.Scene.doCSSPass(Scene.java:545)
>    at javafx.scene.Scene.access$3600(Scene.java:190)
>    at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2373)
>    at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:350)
>    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:589)
>    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:569)
>    at com.sun.javafx.tk.quantum.QuantumToolkit$16.run(QuantumToolkit.java:436)
>    at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
>    at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
>    at com.sun.glass.ui.win.WinApplication.access$300(WinApplication.java:39)
>    at com.sun.glass.ui.win.WinApplication$3$1.run(WinApplication.java:101)
>    at java.lang.Thread.run(Thread.java:724)
> 
> On 17/07/2013 00:58, Richard Bair wrote:
>> Is anybody else seeing this?
>> 
>> javafx.scene.control.ComboBoxTest>  test_rt31479 FAILED
>>     java.util.ConcurrentModificationException
>>         at java.util.HashMap$HashIterator.nextEntry(HashMap.java:2290)
>>         at java.util.HashMap$EntryIterator.next(HashMap.java:2361)
>>         at java.util.HashMap$EntryIterator.next(HashMap.java:2359)
>>         at javafx.scene.CssStyleHelper.resetToInitialValues(CssStyleHelper.java:280)
>>         at javafx.scene.CssStyleHelper.createStyleHelper(CssStyleHelper.java:177)
>>         at javafx.scene.Node.impl_processCSS(Node.java:8639)
>>         at javafx.scene.Parent.impl_processCSS(Parent.java:1202)
>>         at javafx.scene.control.Control.impl_processCSS(Control.java:863)
>>         at javafx.scene.Parent.impl_processCSS(Parent.java:1217)
>>         at javafx.scene.control.PopupControl$CSSBridge.impl_processCSS(PopupControl.java:1221)
>>         at javafx.scene.Parent.impl_processCSS(Parent.java:1217)
>>         at javafx.scene.Node.processCSS(Node.java:8571)
>>         at javafx.scene.Scene.doCSSPass(Scene.java:538)
>>         at javafx.scene.Scene.preferredSize(Scene.java:1562)
>>         at javafx.scene.Scene.impl_preferredSize(Scene.java:1571)
>>         at javafx.stage.Window$9.invalidated(Window.java:726)
>>         at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
>>         at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:141)
>>         at javafx.stage.Window.setShowing(Window.java:800)
>>         at javafx.stage.Window.show(Window.java:815)
>>         at javafx.stage.PopupWindow.showImpl(PopupWindow.java:394)
>>         at javafx.stage.PopupWindow.show(PopupWindow.java:368)
>>         at com.sun.javafx.scene.control.skin.ComboBoxPopupControl.positionAndShowPopup(ComboBoxPopupControl.java:99)
>>         at com.sun.javafx.scene.control.skin.ComboBoxPopupControl.show(ComboBoxPopupControl.java:79)
>>         at com.sun.javafx.scene.control.skin.ComboBoxBaseSkin.handleControlPropertyChanged(ComboBoxBaseSkin.java:123)
>>         at com.sun.javafx.scene.control.skin.ComboBoxListViewSkin.handleControlPropertyChanged(ComboBoxListViewSkin.java:219)
>>         at com.sun.javafx.scene.control.skin.BehaviorSkinBase$2.call(BehaviorSkinBase.java:180)
>>         at com.sun.javafx.scene.control.skin.BehaviorSkinBase$2.call(BehaviorSkinBase.java:177)
>>         at com.sun.javafx.scene.control.MultiplePropertyChangeListenerHandler$1.changed(MultiplePropertyChangeListenerHandler.java:56)
>>         at javafx.beans.value.WeakChangeListener.changed(WeakChangeListener.java:88)
>>         at com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:176)
>>         at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
>>         at javafx.beans.property.ReadOnlyBooleanWrapper$ReadOnlyPropertyImpl.fireValueChangedEvent(ReadOnlyBooleanWrapper.java:179)
>>         at javafx.beans.property.ReadOnlyBooleanWrapper$ReadOnlyPropertyImpl.access$100(ReadOnlyBooleanWrapper.java:148)
>>         at javafx.beans.property.ReadOnlyBooleanWrapper.fireValueChangedEvent(ReadOnlyBooleanWrapper.java:144)
>>         at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
>>         at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:141)
>>         at javafx.scene.control.ComboBoxBase.setShowing(ComboBoxBase.java:191)
>>         at javafx.scene.control.ComboBoxBase.show(ComboBoxBase.java:393)
>>         at javafx.scene.control.ComboBoxTest.test_rt31479(ComboBoxTest.java:1059)
>> 
>