Error on upload

[anonymous]

I think I've seen the same with latest as of today, (4186?)
Happened on upload data.

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2011-04-26 01:31:34
Last Changed Author: bastiK
Revision: 4064
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2011-04-25 20:32:26 +0200 (Mon, 25 Apr 2011)
Last Changed Rev: 4064

Identification: JOSM/1.5 (4064 de)
Memory Usage: 182 MB / 247 MB (95 MB allocated, but free)
Java version: 1.6.0_26, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows Vista
Dataset consistency test: No problems found

Plugin: graphview (26174)
Plugin: routing (26174)
Plugin: scripting (25200)
Plugin: undelete (26174)

java.util.ConcurrentModificationException
	at java.util.AbstractList$Itr.checkForComodification(Unknown Source)
	at java.util.AbstractList$Itr.next(Unknown Source)
	at org.openstreetmap.josm.gui.dialogs.changeset.ChangesetListModel.updateModel(ChangesetListModel.java:93)
	at org.openstreetmap.josm.gui.dialogs.changeset.ChangesetListModel.setChangesets(ChangesetListModel.java:85)
	at org.openstreetmap.josm.gui.dialogs.changeset.ChangesetListModel.addChangeset(ChangesetListModel.java:68)
	at org.openstreetmap.josm.gui.dialogs.changeset.ChangesetsInActiveDataLayerListModel.otherDatasetChange(ChangesetsInActiveDataLayerListModel.java:54)
	at org.openstreetmap.josm.data.osm.event.ChangesetIdChangedEvent.fire(ChangesetIdChangedEvent.java:24)
	at org.openstreetmap.josm.data.osm.event.DatasetEventManager.fireEvents(DatasetEventManager.java:109)
	at org.openstreetmap.josm.data.osm.event.DatasetEventManager.access$200(DatasetEventManager.java:27)
	at org.openstreetmap.josm.data.osm.event.DatasetEventManager$1.run(DatasetEventManager.java:139)
	at java.awt.event.InvocationEvent.dispatch(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$000(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.Dialog$1.run(Unknown Source)
	at java.awt.Dialog$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.Dialog.show(Unknown Source)
	at java.awt.Component.show(Unknown Source)
	at java.awt.Component.setVisible(Unknown Source)
	at java.awt.Window.setVisible(Unknown Source)
	at java.awt.Dialog.setVisible(Unknown Source)
	at org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor$3.run(PleaseWaitProgressMonitor.java:83)
	at java.awt.event.InvocationEvent.dispatch(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$000(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)