error after load new area

[Luebeck]

• start josm
• load 3 areas on seperate layers
• div. modifikations
• delete the layers
• load a new area

-> error

Path: trunk
URL: ​http://josm.openstreetmap.de/svn/trunk
Repository Root: ​http://josm.openstreetmap.de/svn
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Revision: 1387
Node Kind: directory
Last Changed Author: ce
Last Changed Rev: 1387
Last Changed Date: 2009-02-09 01:46:21 +0100 (Mon, 09 Feb 2009)

Java version: 1.6.0
Plugins: openstreetbugs;slippy_map_chooser;validator;wmsplugin
Plugin openstreetbugs Version: 13135
Plugin slippy_map_chooser Version: 12780
Plugin validator Version: 13409
Plugin wmsplugin Version: 12984

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

at org.openstreetmap.josm.gui.PleaseWaitRunnable.closeDialog(PleaseWaitRunnable.java:146)
at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:95)
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.reflect.InvocationTargetException

at java.awt.EventQueue.invokeAndWait(Unknown Source)
at org.openstreetmap.josm.gui.PleaseWaitRunnable.closeDialog(PleaseWaitRunnable.java:142)
... 4 more

Caused by: java.lang.NullPointerException

at org.openstreetmap.josm.gui.NavigatableComponent.getPoint(NavigatableComponent.java:133)
at org.openstreetmap.josm.gui.NavigatableComponent.getNearestNode(NavigatableComponent.java:160)
at org.openstreetmap.josm.actions.mapmode.DrawAction.computeHelperLine(DrawAction.java:398)
at org.openstreetmap.josm.actions.mapmode.DrawAction.selectionChanged(DrawAction.java:141)
at org.openstreetmap.josm.data.osm.DataSet.fireSelectionChanged(DataSet.java:194)
at org.openstreetmap.josm.gui.MapView.setActiveLayer(MapView.java:355)
at org.openstreetmap.josm.gui.dialogs.LayerListDialog$2.valueChanged(LayerListDialog.java:195)
at javax.swing.JList.fireSelectionValueChanged(Unknown Source)
at javax.swing.JList$ListSelectionHandler.valueChanged(Unknown Source)
at javax.swing.DefaultListSelectionModel.fireValueChanged(Unknown Source)
at javax.swing.DefaultListSelectionModel.fireValueChanged(Unknown Source)
at javax.swing.DefaultListSelectionModel.fireValueChanged(Unknown Source)
at javax.swing.DefaultListSelectionModel.changeSelection(Unknown Source)
at javax.swing.DefaultListSelectionModel.changeSelection(Unknown Source)
at javax.swing.DefaultListSelectionModel.setSelectionInterval(Unknown Source)
at javax.swing.JList.setSelectedIndex(Unknown Source)
at javax.swing.JList.setSelectedValue(Unknown Source)
at org.openstreetmap.josm.gui.dialogs.LayerListDialog.activeLayerChange(LayerListDialog.java:320)
at org.openstreetmap.josm.gui.MapView.setActiveLayer(MapView.java:360)
at org.openstreetmap.josm.gui.MapView.addLayer(MapView.java:173)
at org.openstreetmap.josm.Main.addLayer(Main.java:219)
at org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask$Task.finish(DownloadOsmTask.java:60)
at org.openstreetmap.josm.gui.PleaseWaitRunnable$4.run(PleaseWaitRunnable.java:128)
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.PleaseWaitRunnable$3.run(PleaseWaitRunnable.java:78)
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)

[anonymous]

Please make it reproducable - i.e. add a step-by-step guide what you did or need to do to get that error.