id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
18757	Crash on startup java.lang.UnsupportedOperationException javax.json	jakuje@…	team	"==== What steps will reproduce the problem?
1. Build Fedora package with josm against Java and other libraries in Fedora 31
2. Start josm

==== What is the expected result?
Josm starts

==== What happens instead?
Josm crashes with below trace

==== Please provide any additional information below. Attach a screenshot if possible.

{{{
Build-Date:2020-02-24 09:55:44
Build-Name:Fedora
Revision:15915
Is-Local-Build:false

Identification: JOSM/1.5 (15915 Fedora en) Linux Fedora 31 (Workstation Edition)
Memory Usage: 980 MB / 3481 MB (832 MB allocated, but free)
Java version: 1.8.0_242-b08, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1920x1080, :0.1 1920x1080
Maximum Screen Size: 1920x1080
VM arguments: [-agentpath:/usr/lib/abrt-java-connector/libabrt-java-connector.so=abrt=on,]

Plugins:
+ Mapillary
+ QuickLabel
+ apache-commons
+ apache-http
+ buildings_tools
+ ejml
+ geotools
+ jaxb (35092)
+ jna
+ jts
+ mapathoner
+ opendata
+ terracer
+ todo
+ utilsplugin2

Last errors/warnings:
- E: Handled by bug report queue: java.lang.UnsupportedOperationException


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: main (1)
java.lang.UnsupportedOperationException
	at javax.json.stream.JsonParser.getObject(JsonParser.java:383)
	at org.openstreetmap.josm.tools.Territories.initializeExternalData(Territories.java:170)
	at org.openstreetmap.josm.tools.Territories.initialize(Territories.java:123)
	at org.openstreetmap.josm.spi.lifecycle.InitializationTask.call(InitializationTask.java:33)
	at org.openstreetmap.josm.spi.lifecycle.Lifecycle.runInitializationTasks(Lifecycle.java:99)
	at org.openstreetmap.josm.spi.lifecycle.Lifecycle.initialize(Lifecycle.java:71)
	at org.openstreetmap.josm.gui.MainApplication.mainJOSM(MainApplication.java:903)
	at org.openstreetmap.josm.gui.MainApplication$3.processArguments(MainApplication.java:276)
	at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:703)
}}}
"	defect	closed	normal		Core		othersoftware	template_report fedora linux json