NPE at SelectAction.getLastCommandInDataset

[anonymous]

What steps will reproduce the problem?

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: 2017-05-29 16:19:58 +0200 (Mon, 29 May 2017)
Build-Date:2017-05-29 14:25:03
Revision:12275
Relative:URL: ^/trunk

Identification: JOSM/1.5 (12275 en) Windows 7 64-Bit
OS Build number: Windows 7 Ultimate null (7601)
Memory Usage: 612 MB / 843 MB (60 MB allocated, but free)
Java version: 1.8.0_121-b13, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1920x1200
Maximum Screen Size: 1920x1200
Dataset consistency test: No problems found

Plugins:
+ AddrInterpolation (33160)
+ BuildingGeneralization (1010)
+ CADTools (1007)
+ Create_grid_of_ways (32699)
+ CustomizePublicTransportStop (0.4)
+ DirectDownload (33160)
+ DirectUpload (33182)
+ ElevationProfile (33215)
+ FastDraw (33182)
+ FixAddresses (33182)
+ HouseNumberTaggingTool (33160)
+ PicLayer (33148)
+ ShapeTools (1220)
+ SimplifyArea (33004)
+ alignways (33182)
+ apache-commons (32994)
+ buildings_tools (33004)
+ contourmerge (1030)
+ editgpx (33004)
+ ejml (32680)
+ ext_tools (33004)
+ geochat (33088)
+ geojson (52)
+ geotools (33338)
+ graphview (33004)
+ jna (32699)
+ jts (32699)
+ log4j (32699)
+ measurement (33088)
+ merge-overlap (33154)
+ photo_geotagging (33088)
+ photoadjust (33303)
+ pointInfo (33131)
+ public_transport (33166)
+ public_transport_layer (33350)
+ rasterfilters (33269)
+ reltoolbox (33311)
+ reverter (33088)
+ splinex (33160)
+ tag2link (33035)
+ tageditor (33021)
+ todo (30100)
+ utilsplugin2 (33328)
+ wikipedia (33288)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/caravan_site&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/hiking_routes_with_trail_marking&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/SentieriItaliani&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Historical_Objects&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Mountains&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Mountainbike&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/NewParkingFeatures&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/ParkingLanes&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Surveillance&zip=1
+ http://osmtools.de/josm/steps.xml
+ https://josm.openstreetmap.de/josmfile?page=Presets/Stolpersteine&zip=1
+ http://somewhere.dk/email/josm/source.xml
+ https://josm.openstreetmap.de/josmfile?page=Presets/Quick-highways&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Tracks&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/PublicTransportOneClick&zip=1

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/AddressValidator&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/AdvertisingStyle&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Coloured_Streets&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Coloured_Suburb&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Cycleways&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/ConscriptionStreetnumber&zip=1
- https://www.dropbox.com/s/qo3ai47fpv241jf/Styles_Fixme_and_Notes.zip?raw=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Fixme&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/LayerChecker&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/NewParkingFeatures&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/NoFeature&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Osmc&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/SimpleBuildingTags&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/SimpleRoofTags&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/MaxspeedIcons&zip=1
- https://raw.githubusercontent.com/species/josm-preset-wheelchair/master/sidewalks_kerbs.mapcss

Validator rules:
+ http://www.openrailwaymap.org/validator/openrailwaymap.validator.mapcss

Last errors/warnings:
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$SelectAction@4157386e
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$AddAction@55e213f4
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$PassAction@66e0089f
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$MarkAction@2d1c4664
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$SelectAction@5fb06bdf
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$AddAction@246554f9
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$PassAction@5a29d7e3
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$MarkAction@62b07e4d
- W: Conflicts detected - <html>There were 81 conflicts detected.</html>
- E: Handled by bug report queue: java.lang.NullPointerException


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (18) of main
java.lang.NullPointerException
	at org.openstreetmap.josm.actions.mapmode.SelectAction.getLastCommandInDataset(SelectAction.java:813)
	at org.openstreetmap.josm.actions.mapmode.SelectAction.useLastMoveCommandIfPossible(SelectAction.java:793)
	at org.openstreetmap.josm.actions.mapmode.SelectAction.mousePressed(SelectAction.java:450)
	at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(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.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(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]

Ticket #14888 has been marked as a duplicate of this ticket.

[Don-vip]

regression of r12053

[michael2402]

In 12313/josm:

Fix #14886: We can't use old move command if there is no edit layer.

[Don-vip]

Ticket #14954 has been marked as a duplicate of this ticket.

[Don-vip]

Ticket #14975 has been marked as a duplicate of this ticket.