JOSM 15927 does not start

[fx99]

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.

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-02-24 22:06:28 +0100 (Mon, 24 Feb 2020)
Revision:15927
Build-Date:2020-02-24 21:08:22
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (15927 de) Linux Ubuntu 18.04.4 LTS
Memory Usage: 245 MB / 1962 MB (198 MB allocated, but free)
Java version: 11.0.6+10-post-Ubuntu-1ubuntu118.04.1, Ubuntu, OpenJDK 64-Bit Server VM
Screen: :0.0 1366x768
Maximum Screen Size: 1366x768
Java package: openjdk-11-jre:amd64-11.0.6+10-1ubuntu1~18.04.1
Java ATK Wrapper package: libatk-wrapper-java:all-0.33.3-20ubuntu0.1
fonts-noto: fonts-noto:-

Last errors/warnings:
- E: Handled by bug report queue: javax.json.stream.JsonParsingException: Invalid token=EOF at (line no=3, column no=49, offset=97). Expected tokens are: [CURLYOPEN, SQUAREOPEN, STRING, NUMBER, TRUE, FALSE, NULL, SQUARECLOSE]


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: main (1)
javax.json.stream.JsonParsingException: Invalid token=EOF at (line no=3, column no=49, offset=97). Expected tokens are: [CURLYOPEN, SQUAREOPEN, STRING, NUMBER, TRUE, FALSE, NULL, SQUARECLOSE]
	at org.glassfish.json.JsonParserImpl.parsingException(JsonParserImpl.java:437)
	at org.glassfish.json.JsonParserImpl.getArray(JsonParserImpl.java:328)
	at org.glassfish.json.JsonParserImpl.getValue(JsonParserImpl.java:180)
	at org.glassfish.json.JsonParserImpl.getObject(JsonParserImpl.java:339)
	at org.glassfish.json.JsonParserImpl.getObject(JsonParserImpl.java:173)
	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)

[stoecker]

Closed as duplicate of #18772.