josm 3140. error on commit

[anonymous]

Repository Root: ​http://josm.openstreetmap.de/svn
Build-Date: 2010-03-16 02:31:24
Last Changed Author: jttt
Revision: 3140
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: ​http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2010-03-15 21:21:22 +0100 (Mon, 15 Mar 2010)
Last Changed Rev: 3140

Memory Usage: 255 MB / 494 MB (110 MB allocated, but free)
Java version: 1.6.0_18, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows XP

Dataset consistency test:
No problems found

Plugins: buildings_tools,validator,wmsplugin
Plugin wmsplugin (Version: 19992)
Plugin buildings_tools (Version: 20269)
Plugin validator (Version: 20426)

java.util.ConcurrentModificationException

at java.util.LinkedList$ListItr.checkForComodification(Unknown Source)
at java.util.LinkedList$ListItr.next(Unknown Source)
at java.util.Collections$UnmodifiableCollection$1.next(Unknown Source)
at org.openstreetmap.josm.gui.dialogs.properties.PropertiesDialog.selectionChanged(PropertiesDialog.java:766)
at org.openstreetmap.josm.gui.dialogs.properties.PropertiesDialog.updateSelection(PropertiesDialog.java:823)
at org.openstreetmap.josm.gui.dialogs.properties.PropertiesDialog.processDatasetEvent(PropertiesDialog.java:835)
at org.openstreetmap.josm.data.osm.event.DataSetListenerAdapter.dataChanged(DataSetListenerAdapter.java:23)
at org.openstreetmap.josm.data.osm.event.DataChangedEvent.fire(DataChangedEvent.java:25)
at org.openstreetmap.josm.data.osm.event.DatasetEventManager.fireConsolidatedEvents(DatasetEventManager.java:117)
at org.openstreetmap.josm.data.osm.event.DatasetEventManager.access$300(DatasetEventManager.java:27)
at org.openstreetmap.josm.data.osm.event.DatasetEventManager$1.run(DatasetEventManager.java:187)
at java.awt.event.InvocationEvent.dispatch(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.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)

[anonymous]

When did this happen. What did you do? Does it still appear?

[anonymous]

Closed as duplicate of #4861.