Layers list bugs

[wbski]

What steps will reproduce the problem?

1. Download some OSM data, including GPS Data
2. Open a GPX track in JOSM
3. Delete the Downloaded GPX Data layer

What is the expected result?
Layer removed
What happens instead?
Error, and further errors onwards related to editing the layers list
Please provide any additional information below. Attach a screenshot if
possible.

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2010-12-22 02:31:19
Last Changed Author: bastiK
Revision: 3738
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2010-12-21 23:17:28 +0100 (Tue, 21 Dec 2010)
Last Changed Rev: 3738

Identification: JOSM/1.5 (3738 en)
Memory Usage: 81 MB / 123 MB (27 MB allocated, but free)
Java version: 1.6.0_22, Apple Inc., Java HotSpot(TM) 64-Bit Server VM
Operating system: Mac OS X
Dataset consistency test: No problems found

Plugin: DirectUpload (24239)
Plugin: PicLayer (24308)
Plugin: SimplifyArea (21873)
Plugin: alignways (23560)
Plugin: buildings_tools (23804)
Plugin: dataimport (22542)
Plugin: livegps (21706)
Plugin: multipoly-convert (21706)
Plugin: openstreetbugs (23747)
Plugin: photo_geotagging (24097)
Plugin: public_transport (22148)
Plugin: reverter (23278)

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:6925)
	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$LayerListModel.onRemoveLayer(LayerListDialog.java:1075)
	at org.openstreetmap.josm.gui.dialogs.LayerListDialog$LayerListModel.layerRemoved(LayerListDialog.java:1347)
	at org.openstreetmap.josm.gui.MapView.fireLayerRemoved(MapView.java:150)
	at org.openstreetmap.josm.gui.MapView.removeLayer(MapView.java:359)
	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.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	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)

[bastiK]

Is this reproducible?

[jttt]

Closed as duplicate of #6301.