merge areas

[Luebeck]

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2012-07-23 01:31:06
Last Changed Author: Don-vip
Revision: 5356
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2012-07-22 22:36:44 +0200 (Sun, 22 Jul 2012)
Last Changed Rev: 5356

Identification: JOSM/1.5 (5356 de)
Memory Usage: 442 MB / 989 MB (103 MB allocated, but free)
Java version: 1.6.0_30, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows 7
Dataset consistency test: No problems found

Plugin: AddrInterpolation (28014)
Plugin: HouseNumberTaggingTool (28412)
Plugin: OpeningHoursEditor (28477)
Plugin: PicLayer (27883)
Plugin: RoadSigns (27868)
Plugin: buildings_tools (28412)
Plugin: junctionchecking (28412)
Plugin: lakewalker (28412)
Plugin: licensechange (28412)
Plugin: measurement (28412)
Plugin: openstreetbugs (28412)
Plugin: pbf (28412)
Plugin: public_transport (28412)
Plugin: scripting (30000)
Plugin: tag2link (28412)
Plugin: terracer (28412)
Plugin: touchscreenhelper (28412)
Plugin: turnrestrictions (28412)
Plugin: utilsplugin2 (28412)
Plugin: waydownloader (28412)

java.lang.NullPointerException
	at org.openstreetmap.josm.command.SequenceCommand.executeCommand(SequenceCommand.java:54)
	at org.openstreetmap.josm.data.UndoRedoHandler.addNoRedraw(UndoRedoHandler.java:36)
	at org.openstreetmap.josm.data.UndoRedoHandler.add(UndoRedoHandler.java:58)
	at org.openstreetmap.josm.actions.JoinAreasAction.commitCommands(JoinAreasAction.java:629)
	at org.openstreetmap.josm.actions.JoinAreasAction.resolveTagConflicts(JoinAreasAction.java:546)
	at org.openstreetmap.josm.actions.JoinAreasAction.actionPerformed(JoinAreasAction.java:359)
	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.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$000(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$2.run(Unknown Source)
	at java.awt.EventQueue$2.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(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)

[bastiK]

Thanks for the bugreport; it will be much more useful, if you can provide the data that leads to the exception.