id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
15062	NPE while loading JOSM (related with IPv6 it seems)	naoliv	team	"I saw this while loading JOSM:

{{{
2017-07-24 09:34:51.103 GRAVE: java.util.concurrent.ExecutionException: java.lang.NullPointerException. Causa: java.lang.NullPointerException
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.util.concurrent.FutureTask.get(FutureTask.java:192)
	at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitAndReturn(GuiHelper.java:172)
	at org.openstreetmap.josm.Main.exitJosm(Main.java:836)
	at org.openstreetmap.josm.actions.RestartAction.restartJOSM(RestartAction.java:87)
	at org.openstreetmap.josm.gui.MainApplication.lambda$checkIPv6$5(MainApplication.java:501)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
	at org.openstreetmap.josm.Main.addMapFrameListener(Main.java:1172)
	at org.openstreetmap.josm.actions.SessionSaveAsAction.<init>(SessionSaveAsAction.java:75)
	at org.openstreetmap.josm.gui.io.SaveLayersDialog$SaveSessionAction.<init>(SaveLayersDialog.java:438)
	at org.openstreetmap.josm.gui.io.SaveLayersDialog.<init>(SaveLayersDialog.java:93)
	at org.openstreetmap.josm.gui.io.SaveLayersDialog.saveUnsavedModifications(SaveLayersDialog.java:111)
	at org.openstreetmap.josm.Main.lambda$exitJosm$7(Main.java:837)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	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:80)
	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:9
}}}

It ''seems'' that it didn't affect anything in JOSM, but I am not sure.

JOSM:
{{{
URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2017-07-23 23:59:49 +0200 (Sun, 23 Jul 2017)
Build-Date:2017-07-24 01:31:50
Revision:12504
Relative:URL: ^/trunk

Identification: JOSM/1.5 (12504 pt_BR) Linux Debian GNU/Linux testing (buster)
Memory Usage: 247 MB / 10206 MB (90 MB allocated, but free)
Java version: 1.8.0_131-8u131-b11-2-b11, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1600x900, :0.1 1280x1024
Maximum Screen Size: 1600x1024
Java package: openjdk-8-jre:amd64-8u131-b11-2
Java ATK Wrapper package: libatk-wrapper-java:all-0.33.3-13
VM arguments: [-Dawt.useSystemAAFontSettings=on]

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 (33374)
+ utilsplugin2 (33328)
}}}"	defect	closed	normal	17.07	Core		fixed