CME fast zooming in and out

[skyper]

What steps will reproduce the problem?

1. have only the notes layer active
2. zoom in and out fast

What is the expected result?

Nothing

What happens instead?

CME

Please provide any additional information below. Attach a screenshot if possible.

I had two more layers (data + Bing) but both invisible. This happened on a slow machine (single cpu).

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2013-08-20 01:34:45
Last Changed Author: Don-vip
Revision: 6158
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2013-08-20 00:47:41 +0200 (Tue, 20 Aug 2013)
Last Changed Rev: 6158

Identification: JOSM/1.5 (6158 en) Linux Debian GNU/Linux 7.1 (wheezy)
Memory Usage: 213 MB / 643 MB (78 MB allocated, but free)
Java version: 1.7.0_25, Oracle Corporation, OpenJDK 64-Bit Server VM
Java package: openjdk-7-jre:amd64-7u25-2.3.10-1~deb7u1
Program arguments: [--language=en]
Dataset consistency test: No problems found

Plugin: OpeningHoursEditor (29778)
Plugin: PicLayer (29809)
Plugin: conflation (0.1.6)
Plugin: jts (29613)
Plugin: mirrored_download (29753)
Plugin: notes (0.3-8-g03135df)
Plugin: openstreetbugs (29435)
Plugin: reverter (29771)
Plugin: undelete (29555)
Plugin: utilsplugin2 (29771)
Plugin: wikipedia (29778)

java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819)
	at java.util.ArrayList$Itr.next(ArrayList.java:791)
	at org.openstreetmap.josm.plugins.notes.NotesLayer.paint(NotesLayer.java:116)
	at org.openstreetmap.josm.gui.MapView.paintLayer(MapView.java:533)
	at org.openstreetmap.josm.gui.MapView.paint(MapView.java:628)
	at javax.swing.JComponent.paintChildren(JComponent.java:878)
	at javax.swing.JComponent.paint(JComponent.java:1054)
	at javax.swing.JComponent.paintToOffscreen(JComponent.java:5212)
	at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:295)
	at javax.swing.RepaintManager.paint(RepaintManager.java:1236)
	at javax.swing.JComponent._paintImmediately(JComponent.java:5160)
	at javax.swing.JComponent.paintImmediately(JComponent.java:4971)
	at javax.swing.RepaintManager$3.run(RepaintManager.java:796)
	at javax.swing.RepaintManager$3.run(RepaintManager.java:784)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:784)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:757)
	at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:706)
	at javax.swing.RepaintManager.access$1000(RepaintManager.java:62)
	at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1647)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
	at java.awt.EventQueue.access$200(EventQueue.java:103)
	at java.awt.EventQueue$3.run(EventQueue.java:694)
	at java.awt.EventQueue$3.run(EventQueue.java:692)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)

[iandees]

Switched to a CopyOnWriteArrayList for now.