ConcurrentModificationException in setViewerTransform

[NicoKiaru]

I sometimes get this error when calling setViewerTransform. Should this method be called with SwingUtililies.invokeLater ? Or should I acquire a lock ?

Exception in thread "AWT-EventQueue-0" java.util.ConcurrentModificationException
	at java.util.ArrayList.forEach(ArrayList.java:1262)
	at bdv.viewer.BasicViewerState.notifyListeners(BasicViewerState.java:1650)
	at bdv.viewer.BasicViewerState.setViewerTransform(BasicViewerState.java:353)
	at bdv.viewer.SynchronizedViewerState.setViewerTransform(SynchronizedViewerState.java:170)
	at bdv.TransformState$1.set(TransformState.java:74)
	at bdv.TransformEventHandler3D.setCanvasSize(TransformEventHandler3D.java:335)
	at bdv.viewer.InteractiveDisplayCanvas$1.componentResized(InteractiveDisplayCanvas.java:102)
	at java.awt.Component.processComponentEvent(Component.java:6365)
	at java.awt.Component.processEvent(Component.java:6319)
	at java.awt.Container.processEvent(Container.java:2239)
	at java.awt.Component.dispatchEventImpl(Component.java:4889)
	at java.awt.Container.dispatchEventImpl(Container.java:2297)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
	at java.awt.EventQueue$4.run(EventQueue.java:733)
	at java.awt.EventQueue$4.run(EventQueue.java:731)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)