Lakewalker seemed to crash when I opened josm preferences via Edit->Preferences menu

[osm@…]

Hi there,

the error occured while I wasn't doing anything special except opening the Edit menu and clicking on Preferences. The preferences dialog window did not open, but the error message did.

Path: josm
URL: ​http://www.openstreetmap.de/svn/josm
Repository Root: ​http://www.openstreetmap.de/svn/josm
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Revision: 587
Node Kind: directory
Last Changed Author: framm
Last Changed Rev: 587
Last Changed Date: 2008-03-21 01:24:05 +0100 (Fri, 21 Mar 2008)

java.lang.IllegalArgumentException: Cannot format given Object as a Number

at java.text.DecimalFormat.format(Unknown Source)
at java.text.Format.format(Unknown Source)
at org.openstreetmap.josm.plugins.lakewalker.DoubleConfigurer.setValue(DoubleConfigurer.java:54)
at org.openstreetmap.josm.plugins.lakewalker.LakewalkerPreferences.addGui(LakewalkerPreferences.java:84)
at org.openstreetmap.josm.gui.preferences.PreferenceDialog.<init>(PreferenceDialog.java:92)
at org.openstreetmap.josm.actions.PreferencesAction.actionPerformed(PreferencesAction.java:36)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.AbstractButton.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.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)