tracer plugin crash

[jezevec]

When used, sometime crash with error. Plugin make work, but after this, josm not show result before next edit action (or next plugin use).

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2012-01-11 02:31:59
Last Changed Author: jttt
Revision: 4784
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2012-01-10 22:54:24 +0100 (Tue, 10 Jan 2012)
Last Changed Rev: 4784

Identification: JOSM/1.5 (4784 cs)
Memory Usage: 146 MB / 247 MB (36 MB allocated, but free)
Java version: 1.6.0_29, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows Vista
Dataset consistency test: No problems found

Plugin: ElevationProfile (27285)
Plugin: Tracer (27354)
Plugin: buildings_tools (27355)
Plugin: download_along (27289)
Plugin: licensechange (27400)
Plugin: measurement (27289)
Plugin: multipoly-convert (27289)
Plugin: openstreetbugs (27355)
Plugin: plastic_laf (26605)
Plugin: reverter (27393)
Plugin: turnrestrictions (27355)
Plugin: undelete (27395)
Plugin: utilsplugin2 (27421)
Plugin: waydownloader (27289)

java.lang.ClassCastException: sun.java2d.NullSurfaceData cannot be cast to sun.java2d.d3d.D3DSurfaceData
	at sun.java2d.d3d.D3DRenderer.copyArea(Unknown Source)
	at sun.java2d.d3d.D3DSurfaceData.copyArea(Unknown Source)
	at sun.java2d.SunGraphics2D.doCopyArea(Unknown Source)
	at sun.java2d.SunGraphics2D.copyArea(Unknown Source)
	at javax.swing.BufferStrategyPaintManager.copyArea(Unknown Source)
	at javax.swing.RepaintManager.copyArea(Unknown Source)
	at javax.swing.JViewport.blitDoubleBuffered(Unknown Source)
	at javax.swing.JViewport.windowBlitPaint(Unknown Source)
	at javax.swing.JViewport.setViewPosition(Unknown Source)
	at javax.swing.JViewport.scrollRectToVisible(Unknown Source)
	at javax.swing.JComponent.scrollRectToVisible(Unknown Source)
	at javax.swing.JComponent.scrollRectToVisible(Unknown Source)
	at javax.swing.JTree.scrollPathToVisible(Unknown Source)
	at javax.swing.JTree.scrollRowToVisible(Unknown Source)
	at org.openstreetmap.josm.gui.dialogs.CommandStackDialog.buildTrees(CommandStackDialog.java:278)
	at org.openstreetmap.josm.gui.dialogs.CommandStackDialog.commandChanged(CommandStackDialog.java:300)
	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 org.openstreetmap.josm.plugins.tracer.TracerAction.traceSync(TracerAction.java:136)
	at org.openstreetmap.josm.plugins.tracer.TracerAction.access$000(TracerAction.java:34)
	at org.openstreetmap.josm.plugins.tracer.TracerAction$1.realRun(TracerAction.java:79)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:82)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:137)
	at java.lang.Thread.run(Unknown Source)