Exception when downloading data

[avar]

Build-Date: 2009-11-14 19:21:46		
Revision: 2451
Is-Local-Build: true

Memory Usage: 54 MB / 986 MB (13 MB allocated, but free)
Java version: 1.6.0_16

Plugins: lakewalker
multipoly
openstreetbugs
openvisible
remotecontrol
utilsplugin
validator
walkingpapers
wmsplugin
Plugin lakewalker Version: 17375
Plugin multipoly Version: 18415
Plugin openstreetbugs Version: 18503
Plugin openvisible Version: 17536
Plugin remotecontrol Version: 18503
Plugin utilsplugin Version: 18503
Plugin validator Version: 18524
Plugin walkingpapers Version: 18484
Plugin wmsplugin Version: 18408


java.lang.AbstractMethodError: org.openstreetmap.josm.gui.layer.Layer.paint(Ljava/awt/Graphics2D;Lorg/openstreetmap/josm/gui/MapView;Lorg/openstreetmap/josm/data/Bounds;)V
	at org.openstreetmap.josm.gui.MapView.paint(MapView.java:391)
	at javax.swing.JComponent.paintChildren(JComponent.java:864)
	at javax.swing.JSplitPane.paintChildren(JSplitPane.java:1030)
	at javax.swing.JComponent.paint(JComponent.java:1038)
	at javax.swing.JComponent.paintToOffscreen(JComponent.java:5124)
	at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:278)
	at javax.swing.RepaintManager.paint(RepaintManager.java:1220)
	at javax.swing.JComponent._paintImmediately(JComponent.java:5072)
	at javax.swing.JComponent.paintImmediately(JComponent.java:4882)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:803)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:714)
	at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:694)
	at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:128)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

[anonymous]

Closed as duplicate of #3932.