id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
7544	NullPointerException	anonymous	anonymous	"What steps will reproduce the problem?
 1. revert changeset (reverter plugin)

What is the expected result?

What happens instead?

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

{{{
Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2012-03-23 02:32:36
Last Changed Author: akks
Revision: 5114
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2012-03-22 08:37:48 +0100 (Thu, 22 Mar 2012)
Last Changed Rev: 5114

Identification: JOSM/1.5 (5114 de)
Memory Usage: 942 MB / 2709 MB (604 MB allocated, but free)
Java version: 1.6.0_18, Sun Microsystems Inc., OpenJDK 64-Bit Server VM
Operating system: Linux
Dataset consistency test: No problems found

Plugin: ImportImagePlugin (27906)
Plugin: PicLayer (27883)
Plugin: licensechange (27964)
Plugin: openstreetbugs (27852)
Plugin: reverter (28089)
Plugin: undelete (27852)
Plugin: utilsplugin2 (28045)

java.lang.NullPointerException
	at javax.swing.BufferStrategyPaintManager.flushAccumulatedRegion(BufferStrategyPaintManager.java:423)
	at javax.swing.BufferStrategyPaintManager.copyArea(BufferStrategyPaintManager.java:351)
	at javax.swing.RepaintManager.copyArea(RepaintManager.java:1160)
	at javax.swing.JViewport.blitDoubleBuffered(JViewport.java:1621)
	at javax.swing.JViewport.windowBlitPaint(JViewport.java:1590)
	at javax.swing.JViewport.setViewPosition(JViewport.java:1135)
	at javax.swing.plaf.basic.BasicScrollPaneUI$Handler.hsbStateChanged(BasicScrollPaneUI.java:1077)
	at javax.swing.plaf.basic.BasicScrollPaneUI$Handler.stateChanged(BasicScrollPaneUI.java:1028)
	at javax.swing.DefaultBoundedRangeModel.fireStateChanged(DefaultBoundedRangeModel.java:365)
	at javax.swing.DefaultBoundedRangeModel.setRangeProperties(DefaultBoundedRangeModel.java:302)
	at javax.swing.DefaultBoundedRangeModel.setValue(DefaultBoundedRangeModel.java:168)
	at javax.swing.JScrollBar.setValue(JScrollBar.java:463)
	at org.openstreetmap.josm.gui.dialogs.CommandStackDialog.buildTrees(CommandStackDialog.java:280)
	at org.openstreetmap.josm.gui.dialogs.CommandStackDialog.commandChanged(CommandStackDialog.java:301)
	at org.openstreetmap.josm.data.UndoRedoHandler.fireCommandsChanged(UndoRedoHandler.java:128)
	at org.openstreetmap.josm.data.UndoRedoHandler.afterAdd(UndoRedoHandler.java:48)
	at org.openstreetmap.josm.data.UndoRedoHandler.add(UndoRedoHandler.java:59)
	at reverter.RevertChangesetTask.realRun(RevertChangesetTask.java:83)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:82)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:145)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:636
}}}
"	defect	closed	normal		Plugin reverter		needinfo	template_report	Upliner