﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
13038	NullPointerException when loading saved session	osmTOGA	michael2402	"==== What steps will reproduce the problem?
1. Start JOSM
2. Load saved session

==== What is the expected result?
Saved session loads.
==== What happens instead?
Apart from the main menu and main toolbar the screen stays blank and the error pops up.
==== Please provide any additional information below. Attach a screenshot if possible.
After this first error JOSM is totally unusable, every further interaction results in another error. Even closing JOSM works only via the console window.

As a workaround I can first open a new layer and then load the saved session.
{{{
URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2016-06-23 02:35:10 +0200 (Thu, 23 Jun 2016)
Build-Date:2016-06-23 01:34:05
Revision:10463
Relative:URL: ^/trunk

Identification: JOSM/1.5 (10463 de) Windows 7 64-Bit
Memory Usage: 651 MB / 2222 MB (458 MB allocated, but free)
Java version: 1.8.0_91-b14, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM

Plugins:
- Mapillary (32158)
- PicLayer (32158)
- RoadSigns (32177)
- apache-commons (32158)
- apache-http (32158)
- buildings_tools (32158)
- continuosDownload (53)
- ejml (32158)
- geochat (32158)
- geotools (31895)
- imagery_offset_db (32158)
- jts (31906)
- measurement (32324)
- opendata (32289)
- reverter (32158)
- todo (29154)
- turnrestrictions (32375)
- utilsplugin2 (32158)

Tagging presets:
- https://josm.openstreetmap.de/josmfile?page=Presets/Communication_Towers&zip=1
- https://josm.openstreetmap.de/josmfile?page=Presets/LaneAttributes&preset&zip=1

Map paint styles:
- %UserProfile%\OSM\JOSM-Paintstyles\Power_lines.mapcss
- https://dl.dropbox.com/u/8010189/Forum%20attachments/Hide_nodes.mapcss
- https://github.com/hotosm/HDM-JOSM-style/archive/master.zip
- https://josm.openstreetmap.de/josmfile?page=Styles/AddressValidator&style&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/LessObtrusiveNodes&style&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Maxspeed&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Sidewalks&style&zip=1

Last errors/warnings:
- W: Datei <josm.cache>\tiles\TMS_INDEX.key kann nicht gelöscht werden
- W: Datei <josm.cache>\tiles\TMS_INDEX.data kann nicht gelöscht werden
- W: Datei <josm.cache>\tiles\TMS_INDEX_v2.key kann nicht gelöscht werden
- W: Datei <josm.cache>\tiles\TMS_INDEX_v2.data kann nicht gelöscht werden
- E: org.openstreetmap.josm.tools.bugreport.ReportedException: java.lang.NullPointerException. Ursache: java.lang.NullPointerException

=== REPORTED CRASH DATA ===
MapView#layerAdded:
 - layer: org.openstreetmap.josm.gui.layer.TMSLayer@5200f931

LayerManager#fireLayerAdded:
 - listener: org.openstreetmap.josm.gui.MainPanel$1@3af1fed
 - event: LayerAddEvent [addedLayer=org.openstreetmap.josm.gui.layer.TMSLayer@5200f931]

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (19) of main
java.lang.NullPointerException
	at org.openstreetmap.josm.gui.layer.AbstractTileSourceLayer.attachToMapView(AbstractTileSourceLayer.java:636)
	at org.openstreetmap.josm.gui.MapView.layerAdded(MapView.java:605)
	at org.openstreetmap.josm.gui.layer.LayerManager.addLayerChangeListener(LayerManager.java:319)
	at org.openstreetmap.josm.gui.MapView.<init>(MapView.java:512)
	at org.openstreetmap.josm.gui.MapFrame.<init>(MapFrame.java:198)
	at org.openstreetmap.josm.gui.MainPanel.createNewMapFrame(MainPanel.java:91)
	at org.openstreetmap.josm.gui.MainPanel.updateContent(MainPanel.java:66)
	at org.openstreetmap.josm.gui.MainPanel$1.layerAdded(MainPanel.java:160)
	at org.openstreetmap.josm.gui.layer.LayerManager.fireLayerAdded(LayerManager.java:357)
	at org.openstreetmap.josm.gui.layer.LayerManager.realAddLayer(LayerManager.java:176)
	at org.openstreetmap.josm.gui.layer.MainLayerManager.realAddLayer(MainLayerManager.java:200)
	at org.openstreetmap.josm.gui.layer.LayerManager$1.run(LayerManager.java:163)
	at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitWithException(GuiHelper.java:146)
	at org.openstreetmap.josm.gui.layer.LayerManager.addLayer(LayerManager.java:160)
	at org.openstreetmap.josm.actions.SessionLoadAction$Loader.addLayers(SessionLoadAction.java:131)
	at org.openstreetmap.josm.actions.SessionLoadAction$Loader.access$100(SessionLoadAction.java:64)
	at org.openstreetmap.josm.actions.SessionLoadAction$Loader$1.run(SessionLoadAction.java:119)
	at java.awt.event.InvocationEvent.dispatch(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.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.WaitDispatchSupport$2.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(Unknown Source)
	at java.awt.Dialog.show(Unknown Source)
	at java.awt.Component.show(Unknown Source)
	at java.awt.Component.setVisible(Unknown Source)
	at java.awt.Window.setVisible(Unknown Source)
	at java.awt.Dialog.setVisible(Unknown Source)
	at org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor$4.run(PleaseWaitProgressMonitor.java:197)
	at java.awt.event.InvocationEvent.dispatch(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.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)
}}}
"	defect	closed	normal	16.06	Core	latest	fixed	template_report gsoc-core	
