Split Area - Undo / Redo

[fatbozz]

Draw L shape
Draw the line at the joints, so that the resulting image was two rectangles
Select L shape by left click
Tools > Split Area ( CTRL+ALT+S )
Nothing expected happend, but closed way is erased with last created node. Ok try undo and again. Same result, but last added node ( from line that connect joints ) is displayed. When you redo, you can get this error

Path: trunk
URL: http://josm.openstreetmap.de/svn/trunk
Repository Root: http://josm.openstreetmap.de/svn
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Revision: 2271
Node Kind: directory
Last Changed Author: stoecker
Last Changed Rev: 2271
Last Changed Date: 2009-10-10 22:51:25 +0200 (Sat, 10 Oct 2009)


Memory Usage: 747 MB / 1339 MB (213 MB allocated, but free)
Java version: 1.6.0_16

Plugins: AgPifoJ
DirectUpload
buildings_tools
czechaddress
dataimport
measurement
multipoly
openstreetbugs
osmarender
remotecontrol
routing
tageditor
terracer
usertools
utilsplugin
validator
wmsplugin
Plugin AgPifoJ Version: 17707
Plugin DirectUpload Version: 17532
Plugin buildings_tools Version: 24
Plugin czechaddress Version: 17857
Plugin dataimport Version: 18071
Plugin measurement Version: 17377
Plugin multipoly Version: 18079
Plugin openstreetbugs Version: 18071
Plugin osmarender Version: 18061
Plugin remotecontrol Version: 17858
Plugin routing Version: 17544
Plugin tageditor Version: 17638
Plugin terracer Version: 17874
Plugin usertools Version: 17359
Plugin utilsplugin Version: 17707
Plugin validator Version: 18069
Plugin wmsplugin Version: 17817


java.lang.NullPointerException
	at org.openstreetmap.josm.data.osm.QuadBuckets.remove(QuadBuckets.java:889)
	at org.openstreetmap.josm.data.osm.QuadBuckets.remove(QuadBuckets.java:884)
	at org.openstreetmap.josm.data.osm.DataSet.removePrimitive(DataSet.java:141)
	at org.openstreetmap.josm.command.AddCommand.undoCommand(AddCommand.java:56)
	at org.openstreetmap.josm.command.SequenceCommand.undoCommands(SequenceCommand.java:76)
	at org.openstreetmap.josm.command.SequenceCommand.undoCommand(SequenceCommand.java:81)
	at org.openstreetmap.josm.data.UndoRedoHandler.undo(UndoRedoHandler.java:70)
	at org.openstreetmap.josm.actions.UndoAction.actionPerformed(UndoAction.java:32)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(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)