﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
13976	JOSM crashes at OSM download, MapView#paintLayer bug?	anderfo	team	"==== What steps will reproduce the problem?
1. Open JOSM.
2. Choose File > Download from OSM and select an area to download.
3. Click ""Download"" and crash...

==== What is the expected result?
That JOSM successfully downloads and presents data from the selected area.

==== What happens instead?
JOSM crashes and presents the usual dialog ""You have encountered a bug in JOSM - An unexpected exception occurred. This is always a coding error. If you are running the latest version of JOSM, please consider being kind and file a bug report.""

==== Please provide any additional information below. Attach a screenshot if possible.
Since it looks like it has something to do with map painting (the automated bug report below points to MapView#paintLayer and ""Cannot paint layer, it is not registered.""), I tested different map paint styles/style sheets, but it did not affect the result.
Also when using the built-in paint style (JOSM default MapCSS) it crashes.

==== Automated bug report:

{{{
URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2016-11-06 20:18:38 +0100 (Sun, 06 Nov 2016)
Build-Date:2016-11-06 21:45:03
Revision:11223
Relative:URL: ^/trunk

Identification: JOSM/1.5 (11223 nb) Mac OS X 10.12.1
Memory Usage: 448 MB / 910 MB (219 MB allocated, but free)
Java version: 1.8.0_111-b14, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: Display 69731840 1280x800, Display 1892041857 1920x1200
Maximum Screen Size: 1920x1200
VM arguments: [-Djava.library.path=/Applications/JOSM.app/Contents/MacOS, -DLibraryDirectory=${HOME}/Library, -DDocumentsDirectory=${HOME}/Documents, -DApplicationSupportDirectory=${HOME}/Library/Application Support, -DCachesDirectory=${HOME}/Library/Caches, -DSandboxEnabled=false, -Dapple.laf.useScreenMenuBar=true, -Dcom.apple.macos.use-file-dialog-packages=true, -Dcom.apple.macos.useScreenMenuBar=true, -Dcom.apple.mrj.application.apple.menu.about.name=JOSM, -Dcom.apple.smallTabs=true]

Plugins:
+ FastDraw (32938)
+ PicLayer (32796)
+ buildings_tools (32944)
+ download_along (32946)
+ geochat (32796)
+ reltoolbox (32796)
+ reverter (32796)
+ utilsplugin2 (32815)

Map paint styles:
+ ${HOME}/Dropbox/Maps/JOSM stilsett/mtbmap.mapcss
- http://mtbmap.no/josm/mtbmap.mapcss
- ${HOME}/Dropbox/Maps/JOSM stilsett/mtbscale-<user.name>.mapcss
- https://josm.openstreetmap.de/josmfile?page=Styles/MTB&style&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Lit&style&zip=1
- ${HOME}/Dropbox/Maps/JOSM stilsett/skiing-<user.name>.mapcss
- https://josm.openstreetmap.de/josmfile?page=Styles/LessObtrusiveNodes&zip=1
- ${HOME}/Dropbox/Maps/JOSM stilsett/mtbstuff-nils.mapcss

Last errors/warnings:
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Cannot paint layer, it is not registered.


=== REPORTED CRASH DATA ===
MapView#paintLayer:
 - layer: OsmDataLayer [name=Datalag 1, associatedFile=null]
 - bounds: Bounds[60.3388604,10.5084419,60.3846612,10.6501961]

Warning issued by: MapView#paintLayer

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (17) of main
java.lang.IllegalArgumentException: Cannot paint layer, it is not registered.
	at org.openstreetmap.josm.gui.MapView.paintLayer(MapView.java:426)
	at org.openstreetmap.josm.gui.MapView.paint(MapView.java:495)
	at javax.swing.JComponent.paintChildren(JComponent.java:889)
	at javax.swing.JComponent.paint(JComponent.java:1065)
	at javax.swing.JComponent.paintChildren(JComponent.java:889)
	at javax.swing.JSplitPane.paintChildren(JSplitPane.java:1047)
	at javax.swing.JComponent.paint(JComponent.java:1065)
	at javax.swing.JComponent.paintChildren(JComponent.java:889)
	at javax.swing.JComponent.paint(JComponent.java:1065)
	at javax.swing.JComponent.paintChildren(JComponent.java:889)
	at javax.swing.JComponent.paint(JComponent.java:1065)
	at javax.swing.JComponent.paintChildren(JComponent.java:889)
	at javax.swing.JComponent.paint(JComponent.java:1065)
	at javax.swing.JComponent.paintToOffscreen(JComponent.java:5210)
	at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1579)
	at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1502)
	at javax.swing.RepaintManager.paint(RepaintManager.java:1272)
	at javax.swing.JComponent._paintImmediately(JComponent.java:5158)
	at javax.swing.JComponent.paintImmediately(JComponent.java:4969)
	at javax.swing.RepaintManager$4.run(RepaintManager.java:831)
	at javax.swing.RepaintManager$4.run(RepaintManager.java:814)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:814)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:789)
	at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:738)
	at javax.swing.RepaintManager.access$1200(RepaintManager.java:64)
	at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1732)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
	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.awt.EventQueue.dispatchEvent(EventQueue.java:726)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
	at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
	at java.awt.Dialog.show(Dialog.java:1084)
	at java.awt.Component.show(Component.java:1671)
	at java.awt.Component.setVisible(Component.java:1623)
	at java.awt.Window.setVisible(Window.java:1014)
	at java.awt.Dialog.setVisible(Dialog.java:1005)
	at org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor.lambda$doBeginTask$2(PleaseWaitProgressMonitor.java:186)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
	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.awt.EventQueue.dispatchEvent(EventQueue.java:726)
	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	major		Core mappaint		duplicate	template_report regression gsoc-core	
