Error occured when adding and removing WMS layers

[Penguin]

What steps will reproduce the problem?

What is the expected result?

What happens instead?

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

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2010-09-06 01:31:24
Last Changed Author: stoecker
Revision: 3514
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2010-09-05 23:03:46 +0200 (Sun, 05 Sep 2010)
Last Changed Rev: 3514

Identification: JOSM/1.5 (3514 da)
Memory Usage: 64 MB / 494 MB (18 MB allocated, but free)
Java version: 1.6.0_20, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows XP
Dataset consistency test: No problems found

Plugin: routing (22549)
Plugin: validator (22805)
Plugin: wmsplugin (22964)

java.lang.ArrayIndexOutOfBoundsException: 6 >= 6
	at java.util.Vector.elementAt(Unknown Source)
	at javax.swing.table.DefaultTableModel.setValueAt(Unknown Source)
	at javax.swing.JTable.setValueAt(Unknown Source)
	at javax.swing.JTable.editingStopped(Unknown Source)
	at javax.swing.AbstractCellEditor.fireEditingStopped(Unknown Source)
	at javax.swing.DefaultCellEditor$EditorDelegate.stopCellEditing(Unknown Source)
	at javax.sw

[anonymous]

Full report:

Repository Root: ​http://josm.openstreetmap.de/svn
Build-Date: 2010-09-06 01:31:24
Last Changed Author: stoecker
Revision: 3514
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: ​http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2010-09-05 23:03:46 +0200 (Sun, 05 Sep 2010)
Last Changed Rev: 3514

Identification: JOSM/1.5 (3514 da)
Memory Usage: 64 MB / 494 MB (18 MB allocated, but free)
Java version: 1.6.0_20, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows XP
Dataset consistency test: No problems found

Plugin: routing (22549)
Plugin: validator (22805)
Plugin: wmsplugin (22964)

java.lang.ArrayIndexOutOfBoundsException: 6 >= 6

at java.util.Vector.elementAt(Unknown Source)
at javax.swing.table.DefaultTableModel.setValueAt(Unknown Source)
at javax.swing.JTable.setValueAt(Unknown Source)
at javax.swing.JTable.editingStopped(Unknown Source)
at javax.swing.AbstractCellEditor.fireEditingStopped(Unknown Source)
at javax.swing.DefaultCellEditor$EditorDelegate.stopCellEditing(Unknown Source)
at javax.swing.DefaultCellEditor.stopCellEditing(Unknown Source)
at javax.swing.JTable$GenericEditor.stopCellEditing(Unknown Source)
at javax.swing.plaf.basic.BasicTableUI$Handler.mousePressed(Unknown Source)
at java.awt.AWTEventMulticaster.mousePressed(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.pumpEventsForFilter(Unknown Source)
at java.awt.Dialog$1.run(Unknown Source)
at java.awt.Dialog$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Dialog.show(Unknown Source)
at java.awt.Component.show(Unknown Source)
at java.awt.Component.setVisible(Unknown Source)
at java.awt.Window.setVisible(Unknown Source)
at java.awt.Dialog.setVisible(Unknown Source)
at org.openstreetmap.josm.gui.preferences.PreferenceDialog.setVisible(PreferenceDialog.java:86)
at org.openstreetmap.josm.actions.PreferencesAction.run(PreferencesAction.java:38)
at org.openstreetmap.josm.actions.PreferencesAction.actionPerformed(PreferencesAction.java:34)
at javax.swing.SwingUtilities.notifyAction(Unknown Source)
at javax.swing.JComponent.processKeyBinding(Unknown Source)
at javax.swing.KeyboardManager.fireBinding(Unknown Source)
at javax.swing.KeyboardManager.fireKeyboardAction(Unknown Source)
at javax.swing.JComponent.processKeyBindingsForAllComponents(Unknown Source)
at javax.swing.JComponent.processKeyBindings(Unknown Source)
at javax.swing.JComponent.processKeyEvent(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.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(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)