id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
15161	NPE while merging overlaping ways	naoliv	team	"Selected two areas, clicked on Merge overlap and got this:

{{{
2017-08-17 17:17:13.916 GRAVE: Handled by bug report queue: java.lang.NullPointerException
java.lang.NullPointerException
	at org.openstreetmap.josm.gui.conflict.tags.RelationMemberConflictResolverModel.prepareDefaultRelationDecisions(RelationMemberConflictResolverModel.java:227)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog.prepareDefaultDecisions(CombinePrimitiveResolverDialog.java:311)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog.prepareDefaultDecisions(CombinePrimitiveResolverDialog.java:301)
	at mergeoverlap.MergeOverlapAction.combineWaysWorker(MergeOverlapAction.java:556)
	at mergeoverlap.MergeOverlapAction.actionPerformed(MergeOverlapAction.java:214)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
	at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)
	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)
	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
	at java.awt.Component.processMouseEvent(Component.java:6533)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
	at java.awt.Component.processEvent(Component.java:6298)
	at java.awt.Container.processEvent(Container.java:2236)
	at java.awt.Component.dispatchEventImpl(Component.java:4889)
	at java.awt.Container.dispatchEventImpl(Container.java:2294)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	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:2746)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	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:80)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
	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:80)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
	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)
}}}

JOSM:
{{{
URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2017-08-16 22:08:22 +0200 (Wed, 16 Aug 2017)
Build-Date:2017-08-17 01:33:58
Revision:12609
Relative:URL: ^/trunk

Identification: JOSM/1.5 (12609 pt_BR) Linux Debian GNU/Linux testing (buster)
Memory Usage: 1756 MB / 6372 MB (990 MB allocated, but free)
Java version: 1.8.0_141-8u141-b15-3-b15, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1600x900, :0.1 1280x1024
Maximum Screen Size: 1600x1024
Java package: openjdk-8-jre:amd64-8u141-b15-3
Java ATK Wrapper package: libatk-wrapper-java:all-0.33.3-13
VM arguments: [-Dawt.useSystemAAFontSettings=on]
Dataset consistency test: No problems found

Plugins:
+ Create_grid_of_ways (32699)
+ FastDraw (33182)
+ ImportImagePlugin (33372)
+ OpeningHoursEditor (33185)
+ PicLayer (33385)
+ RoadSigns (33204)
+ SimplifyArea (33004)
+ apache-commons (32994)
+ buildings_tools (33004)
+ conflation (0.5.4)
+ contourmerge (1030)
+ download_along (32946)
+ editgpx (33004)
+ ejml (32680)
+ geojson (52)
+ geotools (33380)
+ importvec (33088)
+ indoorhelper (33088)
+ jts (32699)
+ log4j (32699)
+ measurement (33088)
+ merge-overlap (33436)
+ opendata (33438)
+ pbf (33241)
+ pdfimport (33004)
+ poly (33004)
+ reverter (33088)
+ scripting (30768)
+ tageditor (33021)
+ todo (30200)
+ turnlanes (33294)
+ turnlanes-tagging (254)
+ turnrestrictions (33088)
+ undelete (33480)
+ utilsplugin2 (33328)
}}}
"	defect	closed	normal		Plugin merge-overlap		duplicate