while installing

[danspecht@…]

What steps will reproduce the problem?

1. download JAR
2. execute JAR

What is the expected result?

JOSM insatalls

What happens instead?

This notice appears, installation gets stuck at Initializing internal boundaries data

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

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

Identification: JOSM/1.5 (15927 en) Windows 10 64-Bit
OS Build number: Windows 10 Enterprise 1903 (18362)
Memory Usage: 72 MB / 247 MB (33 MB allocated, but free)
Java version: 1.8.0_241-b07, Oracle Corporation, Java HotSpot(TM) Client VM
Screen: \Display0 1600x900
Maximum Screen Size: 1600x900

Plugins:
+ BuildingGeneralization
+ buildings_tools
+ mapwithai
+ terracer
+ utilsplugin2

Map paint styles:
+ https://josm.openstreetmap.de/josmfile?page=Styles/MapWithAI&zip=1

Last errors/warnings:
- W: Failed to delete outdated plugin '<josm.pref>\plugins\mapwithai.jar'.
- W: Failed to install already downloaded plugin 'mapwithai'. Skipping installation. JOSM is still going to load the old plugin version.
- W: Failed to delete outdated plugin '<josm.pref>\plugins\terracer.jar'.
- W: Failed to install already downloaded plugin 'terracer'. Skipping installation. JOSM is still going to load the old plugin version.
- W: Failed to delete outdated plugin '<josm.pref>\plugins\utilsplugin2.jar'.
- W: Failed to install already downloaded plugin 'utilsplugin2'. Skipping installation. JOSM is still going to load the old plugin version.
- 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.