id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
4205	NPE on reordering layers	Ldp	team	"
{{{
Build-Date: 2009-12-19 15:38:39		
Revision: 2658
Is-Local-Build: true

Memory Usage: 54 MB / 1016 MB (8 MB allocated, but free)
Java version: 1.6.0_17


Plugins: AddrInterpolation,multipoly,terracer,validator,wmsplugin
Plugin AddrInterpolation Version: 18874
Plugin multipoly Version: 19138
Plugin terracer Version: 19129
Plugin validator Version: 19072
Plugin wmsplugin Version: 18953

java.lang.NullPointerException
	at org.openstreetmap.josm.gui.dialogs.properties.ListOfUsedTags.rebuild(ListOfUsedTags.java:58)
	at org.openstreetmap.josm.gui.dialogs.properties.ListOfUsedTags.dataChanged(ListOfUsedTags.java:83)
	at org.openstreetmap.josm.data.osm.event.DataChangedEvent.fire(DataChangedEvent.java:19)
	at org.openstreetmap.josm.data.osm.event.DatasetEventManager.processDatasetEvent(DatasetEventManager.java:75)
	at org.openstreetmap.josm.data.osm.event.DatasetEventManager.editLayerChanged(DatasetEventManager.java:69)
	at org.openstreetmap.josm.gui.MapView.fireEditLayerChanged(MapView.java:140)
	at org.openstreetmap.josm.gui.MapView.setEditLayer(MapView.java:607)
	at org.openstreetmap.josm.gui.MapView.moveLayer(MapView.java:382)
	at org.openstreetmap.josm.gui.dialogs.LayerListDialog$LayerListModel.moveDown(LayerListDialog.java:859)
	at org.openstreetmap.josm.gui.dialogs.LayerListDialog$MoveDownAction.actionPerformed(LayerListDialog.java:595)
	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)

}}}
"	defect	closed	normal		Core		fixed