NPE at LayerPositionStrategy when inserting a node from Clipboard

[DD1GJ]

What steps will reproduce the problem?

1. copy node fom a layer to clipboard
2. switch to OSM-Layer
3. Insert from Clipboard to layer

What is the expected result?

What happens instead?

crash

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

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2016-09-16 13:38:58 +0200 (Fri, 16 Sep 2016)
Build-Date:2016-09-17 01:40:40
Revision:11005
Relative:URL: ^/trunk

Identification: JOSM/1.5 (11005 de) Windows 10 64-Bit
Memory Usage: 279 MB / 989 MB (61 MB allocated, but free)
Java version: 1.8.0_60-b27, Oracle Corporation, Java HotSpot(TM) Client VM
Screen: \Display0 1280x1024
Maximum Screen Size: 1280x1024
Dataset consistency test: No problems found

Plugins:
+ FixAddresses (32796)
+ OpeningHoursEditor (32699)
+ PicLayer (32796)
+ SeaChart (32995)
+ SeaMapEditor (32767)
+ apache-commons (32699)
+ apache-http (32699)
+ cadastre-fr (32950)
+ download_along (32946)
+ ejml (32680)
+ geotools (32813)
+ jts (32699)
+ opendata (32898)
+ photo_geotagging (32699)
+ reverter (32796)
+ terracer (32699)
+ turnlanes (32796)
+ undelete (32699)
+ utilsplugin2 (32815)

Last errors/warnings:
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (17) of main
java.lang.NullPointerException
	at org.openstreetmap.josm.gui.layer.LayerPositionStrategy.lambda$afterLast$5(LayerPositionStrategy.java:74)
	at org.openstreetmap.josm.gui.dialogs.layer.LayerListTransferHandler.importData(LayerListTransferHandler.java:93)
	at javax.swing.TransferHandler$TransferAction.actionPerformedImpl(Unknown Source)
	at javax.swing.TransferHandler$TransferAction.access$800(Unknown Source)
	at javax.swing.TransferHandler$TransferAction$1.run(Unknown Source)
	at javax.swing.TransferHandler$TransferAction$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at javax.swing.TransferHandler$TransferAction$2.run(Unknown Source)
	at javax.swing.TransferHandler$TransferAction$2.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at javax.swing.TransferHandler$TransferAction.actionPerformed(Unknown Source)
	at javax.swing.SwingUtilities.notifyAction(Unknown Source)
	at javax.swing.JComponent.processKeyBinding(Unknown Source)
	at javax.swing.JTable.processKeyBinding(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$500(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.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)

[Don-vip]

In 11008/josm:

fix #13646 - NPE + unit test

[simon04]

Milestone renamed