id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
24316	JOSM stuck in startup process after installing plugin Mapillary	anonymous	taylor.smock	"==== What steps will reproduce the problem?
1. install mapillary plugin
2. restart josm
3. 

==== What is the expected result?
normal running JOSM with mapillary plugin
==== What happens instead?
startup stops at the stage ""Erweiterung Mapillary wird geladen""[means ""plugin mapillary is being loaded"". Startup process is stuck there and does not continue. 
==== Please provide any additional information below. Attach a screenshot if possible.

{{{
Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2025-05-01 13:38:02 +0200 (Thu, 01 May 2025)
Revision:19396
Build-Date:2025-05-02 01:30:34
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (19396 de) Linux Ubuntu 22.04.5 LTS
Memory Usage: 844 MB / 11862 MB (354 MB allocated, but free)
Java version: 11.0.27+6-post-Ubuntu-0ubuntu122.04, Ubuntu, OpenJDK 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: :0.0 1920x1200x[Multi depth]@60Hz (scaling 1.00×1.00)
Maximum Screen Size: 1920×1200
Best cursor sizes: 16×16→16×16, 32×32→32×32
Environment variable LANG: de_DE.UTF-8
System property file.encoding: UTF-8
System property sun.jnu.encoding: UTF-8
Locale info: de_DE
Numbers with default locale: 1234567890 -> 1234567890
Desktop environment: ubuntu:GNOME
Java package: openjdk-11-jre:amd64-11.0.27+6~us1-0ubuntu1~22.04
Java ATK Wrapper package: libatk-wrapper-java:all-0.38.0-5build1
libcommons-logging-java: libcommons-logging-java:all-1.2-2
fonts-noto: fonts-noto:all-20201225-1build1
VM arguments: [--module-path=/usr/share/openjfx/lib, --add-modules=java.scripting,java.sql,javafx.controls,javafx.media,javafx.swing,javafx.web, -Djosm.restart=true, -Djava.net.useSystemProxies=true, -XX:MaxRAMPercentage=75.0, --add-exports=java.base/sun.security.action=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.plugins.jpeg=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.spi=ALL-UNNAMED]

Plugins:
+ Mapillary
+ buildings_tools
+ terracer

Last errors/warnings:
- 00002.437 W: Ungülitige Java Version """" im Plugin Mapillary
- 00003.567 W: Ungülitige Java Version """" im Plugin Mapillary
- 00019.551 E: Handled by bug report queue: java.lang.UnsupportedClassVersionError: org/openstreetmap/josm/plugins/mapillary/MapillaryPlugin has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 55.0
- 00019.556 W: Cannot lock cache directory. Will not use disk cache



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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: main (1)
java.lang.UnsupportedClassVersionError: org/openstreetmap/josm/plugins/mapillary/MapillaryPlugin has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 55.0
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1022)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
	at java.base/java.net.URLClassLoader.defineClass(URLClassLoader.java:555)
	at java.base/java.net.URLClassLoader$1.run(URLClassLoader.java:458)
	at java.base/java.net.URLClassLoader$1.run(URLClassLoader.java:452)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:451)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:594)
	at org.openstreetmap.josm.plugins.PluginClassLoader.loadClass(PluginClassLoader.java:64)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:527)
	at java.base/java.lang.Class.forName0(Native Method)
	at java.base/java.lang.Class.forName(Class.java:398)
	at org.openstreetmap.josm.plugins.PluginInformation.loadClass(PluginInformation.java:402)
	at org.openstreetmap.josm.plugins.PluginHandler.loadPlugin(PluginHandler.java:864)
	at org.openstreetmap.josm.plugins.PluginHandler.loadPlugins(PluginHandler.java:927)
	at org.openstreetmap.josm.plugins.PluginHandler.loadLatePlugins(PluginHandler.java:1029)
	at org.openstreetmap.josm.gui.MainApplication.loadLatePlugins(MainApplication.java:1251)
	at org.openstreetmap.josm.gui.MainApplication.mainJOSM(MainApplication.java:1007)
	at org.openstreetmap.josm.gui.MainApplication$3.processArguments(MainApplication.java:280)
	at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:766)
}}}
"	defect	closed	normal		Plugin mapillary		fixed	template_report