id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
12991	Crash after deleting gpx file	anonymous	OliverW	"==== What steps will reproduce the problem?
1. Load gpx file
2. Realise already edited, so delete
3. Crash

==== What is the expected result?

==== What happens instead?

==== 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: 2016-06-18 01:45:15 +0200 (Sat, 18 Jun 2016)
Build-Date:2016-06-18 01:33:54
Revision:10414
Relative:URL: ^/trunk

Identification: JOSM/1.5 (10414 en_GB) Linux Debian GNU/Linux testing (stretch)
Memory Usage: 526 MB / 3550 MB (211 MB allocated, but free)
Java version: 1.8.0_91-8u91-b14-2-b14, Oracle Corporation, OpenJDK 64-Bit Server VM

Plugins:
- DirectDownload (32158)
- ElevationProfile (32158)
- Tracer2 (32158)
- buildings_tools (32158)
- editgpx (32263)
- graphview (32158)
- measurement (32158)
- turnrestrictions (32158)
- utilsplugin2 (32158)

Last errors/warnings:
- W: Unable to delete file <josm.pref>/cache/tiles/TMS.data
- W: Unable to delete file <josm.pref>/cache/tiles/TMS_INDEX.key
- W: Unable to delete file <josm.pref>/cache/tiles/TMS_INDEX.data
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.download.DownloadDialog$CancelAction@722b6ff1
- E: java.lang.IllegalArgumentException: Listener was not registered before: LayerChangeAdapter [org.openstreetmap.josm.plugins.elevation.ElevationMapMode@46562140]

java.lang.IllegalArgumentException: Listener was not registered before: LayerChangeAdapter [org.openstreetmap.josm.plugins.elevation.ElevationMapMode@46562140]
	at org.openstreetmap.josm.gui.layer.LayerManager.removeLayerChangeListener(LayerManager.java:316)
	at org.openstreetmap.josm.gui.layer.LayerManager.removeLayerChangeListener(LayerManager.java:304)
	at org.openstreetmap.josm.actions.JosmAction.destroy(JosmAction.java:220)
	at org.openstreetmap.josm.gui.IconToggleButton.destroy(IconToggleButton.java:72)
	at org.openstreetmap.josm.gui.MapFrame.destroy(MapFrame.java:342)
	at org.openstreetmap.josm.Main.setMapFrame(Main.java:521)
	at org.openstreetmap.josm.Main.removeLayer(Main.java:552)
	at org.openstreetmap.josm.gui.dialogs.layer.DeleteLayerAction.actionPerformed(DeleteLayerAction.java:48)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
	at java.awt.Component.processMouseEvent(Component.java:6535)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
	at java.awt.Component.processEvent(Component.java:6300)
	at java.awt.Container.processEvent(Container.java:2236)
	at java.awt.Component.dispatchEventImpl(Component.java:4891)
	at java.awt.Container.dispatchEventImpl(Container.java:2294)
	at java.awt.Component.dispatchEvent(Component.java:4713)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
	at java.awt.Container.dispatchEventImpl(Container.java:2280)
	at java.awt.Window.dispatchEventImpl(Window.java:2750)
	at java.awt.Component.dispatchEvent(Component.java:4713)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
	at java.awt.EventQueue$4.run(EventQueue.java:731)
	at java.awt.EventQueue$4.run(EventQueue.java:729)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
	at org.GNOME.Accessibility.AtkWrapper$5.dispatchEvent(AtkWrapper.java:697)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
}}}
"	defect	closed	normal		Plugin elevationprofile		fixed	template_report gsoc-core regression	michael2402