Latest JOSM cannot start on Windows

[gaben]

From latest JNLP:

net.sourceforge.jnlp.LaunchException: Fatal: Launch Error: Could not launch JNLP file. The application has not been initialized, for more information execute javaws/browser from the command line and send a bug report.
	at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:414)
	at net.sourceforge.jnlp.Launcher.access$300(Launcher.java:72)
	at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:661)
Caused by: java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:115)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:407)
	... 2 more
Caused by: java.lang.NullPointerException
	at java.base/java.util.ImmutableCollections$ListN.indexOf(ImmutableCollections.java:723)
	at java.base/java.util.ImmutableCollections$AbstractImmutableList.contains(ImmutableCollections.java:331)
	at org.openstreetmap.josm.spi.preferences.MapListSetting.consistencyTest(MapListSetting.java:41)
	at org.openstreetmap.josm.spi.preferences.MapListSetting.<init>(MapListSetting.java:24)
	at org.openstreetmap.josm.spi.preferences.MapListSetting.copy(MapListSetting.java:35)
	at org.openstreetmap.josm.spi.preferences.MapListSetting.copy(MapListSetting.java:16)
	at org.openstreetmap.josm.data.Preferences.getSetting(Preferences.java:755)
	at org.openstreetmap.josm.spi.preferences.AbstractPreferences.getListOfMaps(AbstractPreferences.java:135)
	at org.openstreetmap.josm.data.StructUtils.getListOfStructs(StructUtils.java:101)
	at org.openstreetmap.josm.tools.PlatformHookWindows.extendFontconfig(PlatformHookWindows.java:477)
	at org.openstreetmap.josm.tools.PlatformHookWindows.afterPrefStartupHook(PlatformHookWindows.java:152)
	at org.openstreetmap.josm.gui.MainApplication.mainJOSM(MainApplication.java:906)
	at org.openstreetmap.josm.gui.MainApplication$3.processArguments(MainApplication.java:285)
	at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:788)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	... 4 more

From command line, with latest jar (r19101):

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2024-06-11 23:53:20 +0200 (Tue, 11 Jun 2024)
Revision:19101
Build-Date:2024-06-12 01:31:11
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (19101 hu) Windows 10 64-Bit
OS Build number: Windows 10 Pro for Workstations 22H2 (19045)
Memory Usage: 148 MB / 8176 MB (52 MB allocated, but free)
Java version: 21.0.3+9-LTS, Azul Systems, Inc., OpenJDK 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: \Display0 1920×1200 (scaling 1.25×1.25)
Maximum Screen Size: 1920×1200
Best cursor sizes: 16×16→32×32, 32×32→32×32
System property file.encoding: UTF-8
System property sun.jnu.encoding: Cp1250
Locale info: hu_HU
Numbers with default locale: 1234567890 -> 1234567890

Plugins:
+ AddrInterpolation
+ FIT
+ FastDraw
+ FixAddresses
+ ImageIO
+ OpeningHoursEditor
+ PicLayer
+ apache-commons
+ buildings_tools
+ continuosDownload
+ ejml
+ geotools
+ gridify
+ jackson
+ jaxb
+ josm_magic_wand
+ jts
+ libphonenumber
+ opendata
+ phonenumber
+ pt_assistant
+ reverter
+ tageditor
+ turnlanes-tagging
+ utilsplugin2
+ wikipedia

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/Healthcare&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Tagsforobservatories&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/NewTags&zip=1

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/Maxspeed&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Surface&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Surface&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Surface-DataEntry&zip=1
- https://www.openrailwaymap.org/styles/standard.zip
- https://www.openrailwaymap.org/styles/josm-additional.zip
+ https://gitlab.com/cartocite/josm-style-traffic-signs-orientation/-/raw/main/traffic_sign_orientation_style.zip
- https://raw.githubusercontent.com/OpenNauticalChart/josm/master/INT1_MapCSS.mapcss

Last errors/warnings:
- 00003.079 E: Handled by bug report queue: java.lang.NullPointerException
- 00004.971 E: java.lang.IllegalStateException: HTTP factory has not been set
- 00011.901 E: Handled by bug report queue: java.lang.IllegalStateException: HTTP factory has not been set
- 00020.001 E: Handled by bug report queue: java.lang.IllegalStateException: HTTP factory has not been set



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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: main (1)
java.lang.NullPointerException
	at java.base/java.util.ImmutableCollections$ListN.indexOf(ImmutableCollections.java:723)
	at java.base/java.util.ImmutableCollections$AbstractImmutableList.contains(ImmutableCollections.java:331)
	at org.openstreetmap.josm.spi.preferences.MapListSetting.consistencyTest(MapListSetting.java:41)
	at org.openstreetmap.josm.spi.preferences.MapListSetting.<init>(MapListSetting.java:24)
	at org.openstreetmap.josm.spi.preferences.MapListSetting.copy(MapListSetting.java:35)
	at org.openstreetmap.josm.spi.preferences.MapListSetting.copy(MapListSetting.java:16)
	at org.openstreetmap.josm.data.Preferences.getSetting(Preferences.java:755)
	at org.openstreetmap.josm.spi.preferences.AbstractPreferences.getListOfMaps(AbstractPreferences.java:135)
	at org.openstreetmap.josm.data.StructUtils.getListOfStructs(StructUtils.java:101)
	at org.openstreetmap.josm.tools.PlatformHookWindows.extendFontconfig(PlatformHookWindows.java:477)
	at org.openstreetmap.josm.tools.PlatformHookWindows.afterPrefStartupHook(PlatformHookWindows.java:152)
	at org.openstreetmap.josm.gui.MainApplication.mainJOSM(MainApplication.java:906)
	at org.openstreetmap.josm.gui.MainApplication$3.processArguments(MainApplication.java:285)
	at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:788)

[gaben]

Closed as duplicate of #23727.