id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
5854	JOSM hangup removing layer	vb_de	team	"What steps will reproduce the problem?
 1. layer data, waypoint, gpx, bing sat
 2. add data, remove added data
 3. select layer data, waypoint, gpx
 4. remove

What is the expected result?
layers should be removed

What happens instead?
Error Message, JOSM hangup, close only on force terminate

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

{{{
Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2010-12-31 02:31:28
Last Changed Author: bastiK
Revision: 3751
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2010-12-30 16:31:05 +0100 (Thu, 30 Dec 2010)
Last Changed Rev: 3751

Identification: JOSM/1.5 (3751 de)
Memory Usage: 98 MB / 507 MB (36 MB allocated, but free)
Java version: 1.6.0_22, Apple Inc., Java HotSpot(TM) 64-Bit Server VM
Operating system: Mac OS X


java.lang.NullPointerException
	at org.openstreetmap.josm.gui.dialogs.LayerListDialog$LayerNameCellRenderer.getTableCellRendererComponent(LayerListDialog.java:833)
	at javax.swing.JTable$AccessibleJTable.getAccessibleChild(JTable.java:7023)
	at javax.swing.JTable$AccessibleJTable.getAccessibleAt(JTable.java:7410)
	at javax.swing.JTable$AccessibleJTable.valueChanged(JTable.java:6923)
	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:167)
	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:147)
	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:194)
	at javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:388)
	at javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:398)
	at javax.swing.DefaultListSelectionModel.setSelectionInterval(DefaultListSelectionModel.java:442)
	at org.openstreetmap.josm.gui.dialogs.LayerListDialog$LayerListModel.ensureActiveSelected(LayerListDialog.java:1247)
	at org.openstreetmap.josm.gui.dialogs.LayerListDialog$LayerListModel.activeLayerChange(LayerListDialog.java:1337)
	at org.openstreetmap.josm.gui.MapView.fireActiveLayerChanged(MapView.java:138)
	at org.openstreetmap.josm.gui.MapView.setActiveLayer(MapView.java:716)
	at org.openstreetmap.josm.gui.MapView.removeLayer(MapView.java:355)
	at org.openstreetmap.josm.Main.removeLayer(Main.java:198)
	at org.openstreetmap.josm.gui.dialogs.LayerListDialog$DeleteLayerAction.actionPerformed(LayerListDialog.java:359)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.AbstractButton.doClick(AbstractButton.java:389)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1223)
	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1264)
	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
	at java.awt.Component.processMouseEvent(Component.java:6352)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
	at java.awt.Component.processEvent(Component.java:6117)
	at java.awt.Container.processEvent(Container.java:2085)
	at java.awt.Component.dispatchEventImpl(Component.java:4714)
	at java.awt.Container.dispatchEventImpl(Container.java:2143)
	at java.awt.Component.dispatchEvent(Component.java:4544)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4621)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4282)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4212)
	at java.awt.Container.dispatchEventImpl(Container.java:2129)
	at java.awt.Window.dispatchEventImpl(Window.java:2478)
	at java.awt.Component.dispatchEvent(Component.java:4544)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:635)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

}}}
"	defect	closed	normal		Core		duplicate	template_report