NullPointerException with SimplifyArea plugin

[naoliv]

While simplifying some ways:

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2012-11-20 02:31:11
Last Changed Author: simon04
Revision: 5593
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2012-11-19 11:36:21 +0100 (Mon, 19 Nov 2012)
Last Changed Rev: 5593

Identification: JOSM/1.5 (5593 pt_BR)
Memory Usage: 354 MB / 657 MB (69 MB allocated, but free)
Java version: 1.6.0_24, Sun Microsystems Inc., OpenJDK 64-Bit Server VM
Operating system: Linux
Dataset consistency test: No problems found

Plugin: SimplifyArea (28807)
Plugin: buildings_tools (28891)
Plugin: contourmerge (1003)
Plugin: merge-overlap (28807)
Plugin: routing (28807)
Plugin: turnrestrictions (28807)
Plugin: utilsplugin2 (28807)

java.lang.NullPointerException
	at org.openstreetmap.josm.data.coor.LatLon.greatCircleDistance(LatLon.java:231)
	at sk.zdila.josm.plugin.simplify.SimplifyAreaAction.averageNearbyNodes(SimplifyAreaAction.java:263)
	at sk.zdila.josm.plugin.simplify.SimplifyAreaAction.actionPerformed(SimplifyAreaAction.java:191)
	at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1660)
	at javax.swing.JComponent.processKeyBinding(JComponent.java:2852)
	at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:285)
	at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:247)
	at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2929)
	at javax.swing.JComponent.processKeyBindings(JComponent.java:2921)
	at javax.swing.JComponent.processKeyEvent(JComponent.java:2815)
	at java.awt.Component.processEvent(Component.java:6166)
	at java.awt.Container.processEvent(Container.java:2045)
	at java.awt.Component.dispatchEventImpl(Component.java:4750)
	at java.awt.Container.dispatchEventImpl(Container.java:2103)
	at java.awt.Component.dispatchEvent(Component.java:4576)
	at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1895)
	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:769)
	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1045)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:912)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:734)
	at java.awt.Component.dispatchEventImpl(Component.java:4620)
	at java.awt.Container.dispatchEventImpl(Container.java:2103)
	at java.awt.Window.dispatchEventImpl(Window.java:2518)
	at java.awt.Component.dispatchEvent(Component.java:4576)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:672)
	at java.awt.EventQueue.access$400(EventQueue.java:96)
	at java.awt.EventQueue$2.run(EventQueue.java:631)
	at java.awt.EventQueue$2.run(EventQueue.java:629)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:116)
	at java.awt.EventQueue$3.run(EventQueue.java:645)
	at java.awt.EventQueue$3.run(EventQueue.java:643)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:642)
	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)

[*Martin*]

Please attach sample osm file.

[Don-vip]

Closed as duplicate of #10473.