Don't know why it intercept a bug. Maybe it wanted to run with "sudo"?

[anonymous]

Path: trunk
URL: ​http://josm.openstreetmap.de/svn/trunk
Repository Root: ​http://josm.openstreetmap.de/svn
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Revision: 1892
Node Kind: directory
Last Changed Author: Gubaer
Last Changed Rev: 1892
Last Changed Date: 2009-08-03 00:17:45 +0200 (Mon, 03 Aug 2009)

Memory Usage: 18 MB / 1016 MB (4 MB allocated, but free)
Java version: 1.6.0_0

Plugins: usertools
utilsplugin
validator
Plugin usertools Version: 14125
Plugin utilsplugin Version: 16687
Plugin validator Version: 16629

java.lang.RuntimeException: java.lang.reflect.InvocationTargetException

at org.openstreetmap.josm.gui.PleaseWaitRunnable$2.run(PleaseWaitRunnable.java:98)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:226)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:602)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)

Caused by: java.lang.reflect.InvocationTargetException

at java.awt.EventQueue.invokeAndWait(EventQueue.java:1000)
at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:67)
at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:116)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)

Caused by: java.lang.NullPointerException

at org.openstreetmap.josm.gui.layer.Layer.setName(Layer.java:172)
at org.openstreetmap.josm.gui.layer.Layer.<init>(Layer.java:97)
at org.openstreetmap.josm.gui.layer.OsmDataLayer.<init>(OsmDataLayer.java:174)
at org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask$Task.finish(DownloadOsmTask.java:127)
at org.openstreetmap.josm.gui.PleaseWaitRunnable$1.run(PleaseWaitRunnable.java:69)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:216)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:602)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:194)
at java.awt.Dialog$1.run(Dialog.java:1072)
at java.awt.Dialog$3.run(Dialog.java:1126)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Dialog.show(Dialog.java:1124)
at java.awt.Component.show(Component.java:1464)
at java.awt.Component.setVisible(Component.java:1416)
at java.awt.Window.setVisible(Window.java:842)
at java.awt.Dialog.setVisible(Dialog.java:1011)
at org.openstreetmap.josm.gui.PleaseWaitDialog.setVisible(PleaseWaitDialog.java:100)
at org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor$4.run(PleaseWaitProgressMonitor.java:93)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:226)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:602)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)

[Gubaer]

There's an annoying bug in r1892 (~ todays latest). Please upgrade to r1893 or higher.