Error with licensechange plugin - missing error.gif?

[rasher]

What steps will reproduce the problem?

1. Click License Check and wait
2. Crash

What is the expected result?

That the licensechange plugin works :)

What happens instead?

Crashes as shown by the attached dump. Pardon the Danish bits :-\

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

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2011-07-19 01:31:28
Last Changed Author: stoecker
Revision: 4257
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2011-07-18 12:00:06 +0200 (Mon, 18 Jul 2011)
Last Changed Rev: 4257

Identification: JOSM/1.5 (4257 da)
Memory Usage: 427 MB / 910 MB (141 MB allocated, but free)
Java version: 1.6.0_22, Sun Microsystems Inc., Java HotSpot(TM) 64-Bit Server VM
Operating system: Windows 7
Dataset consistency test: No problems found

Plugin: DirectUpload (26284)
Plugin: ImportImagePlugin (26174)
Plugin: ImproveWayAccuracy (26224)
Plugin: OpeningHoursEditor (26284)
Plugin: buildings_tools (26254)
Plugin: editgpx (26284)
Plugin: licensechange (26373)
Plugin: openvisible (26174)
Plugin: restart (26254)
Plugin: videomapping (26254)
Plugin: waydownloader (26174)

java.lang.reflect.InvocationTargetException
	at java.awt.EventQueue.invokeAndWait(Unknown Source)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:84)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:125)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException: Fatalt: Kunne ikke finde billede 'error.gif'. Dette er et alvorligt konfigurationsproblem. JOSM vil holde op med at virke.
	at org.openstreetmap.josm.tools.ImageProvider.get(ImageProvider.java:92)
	at org.openstreetmap.josm.plugins.licensechange.ProblemTreeRenderer.getTreeCellRendererComponent(ProblemTreeRenderer.java:33)
	at javax.swing.plaf.basic.BasicTreeUI$NodeDimensionsHandler.getNodeDimensions(Unknown Source)
	at javax.swing.tree.AbstractLayoutCache.getNodeDimensions(Unknown Source)
	at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.updatePreferredSize(Unknown Source)
	at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.expand(Unknown Source)
	at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.expand(Unknown Source)
	at javax.swing.tree.VariableHeightLayoutCache.rebuild(Unknown Source)
	at javax.swing.tree.VariableHeightLayoutCache.treeStructureChanged(Unknown Source)
	at javax.swing.plaf.basic.BasicTreeUI$Handler.treeStructureChanged(Unknown Source)
	at javax.swing.tree.DefaultTreeModel.fireTreeStructureChanged(Unknown Source)
	at javax.swing.tree.DefaultTreeModel.nodeStructureChanged(Unknown Source)
	at javax.swing.tree.DefaultTreeModel.setRoot(Unknown Source)
	at org.openstreetmap.josm.plugins.licensechange.ProblemTreePanel.buildTree(ProblemTreePanel.java:228)
	at org.openstreetmap.josm.plugins.licensechange.ProblemTreePanel.setErrors(ProblemTreePanel.java:256)
	at org.openstreetmap.josm.plugins.licensechange.CheckAction$CheckTask$1.run(CheckAction.java:123)
	at org.openstreetmap.josm.plugins.licensechange.CheckAction$CheckTask.finish(CheckAction.java:130)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable$1.run(PleaseWaitRunnable.java:86)
	at java.awt.event.InvocationEvent.dispatch(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.progress.PleaseWaitProgressMonitor$3.run(PleaseWaitProgressMonitor.java:83)
	at java.awt.event.InvocationEvent.dispatch(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)

[rasher]

To clarify: It seems that things are actually working more or less as expected (nodes and ways are being marked in the layer), but this error pops up every now and then. There is no content in the "Relicensing problems" toolbox though. I don't know how it's supposed to work.

[bastiK]

In [4261/josm]:

fixed #6615 - Error with licensechange plugin - missing error.gif?

[bastiK]

Ticket #6616 has been marked as a duplicate of this ticket.