id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
22244	JOSM hangs on startup and gives an error message. see screenshot.	hpduwe@…	team	"==== What steps will reproduce the problem?
1. 
2. 
3. 

==== What is the expected result?

==== What happens instead?

==== JOSM hangs on startup and gives an error message.
see screenshot./home/hpduwe/Bilder/Bildschirmfoto von 2022-07-25 11-49-26.png/home/hpduwe/Bilder/Bildschirmfoto von 2022-07-25 11-49-26.png
{{{
Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2022-07-07 23:02:39 +0200 (Thu, 07 Jul 2022)
Revision:18513
Build-Date:2022-07-08 01:30:57
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (18513 de) Linux Ubuntu 20.04.4 LTS
Memory Usage: 79 MB / 960 MB (30 MB allocated, but free)
Java version: 11.0.15+10-Ubuntu-0ubuntu0.20.04.1, Private Build, OpenJDK 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: :0.0 1366×768 (scaling 1.00×1.00)
Maximum Screen Size: 1366×768
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:amd64-11.0.15+10-0ubuntu0.20.04.1
Java ATK Wrapper package: libatk-wrapper-java:all-0.37.1-1
fonts-noto: fonts-noto:all-20200323-1build1~ubuntu20.04.1
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, --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:
+ FixAddresses
+ HouseNumberTaggingTool
+ Lanes
+ Tracer2
+ buildings_tools
+ turnlanes

Last errors/warnings:
- 00003.591 E: Exception raised in EDT: java.util.concurrent.ExecutionException: java.lang.ExceptionInInitializerError. Ursache: java.lang.ExceptionInInitializerError. Ursache: java.lang.NullPointerException
- 00003.603 E: Exception raised in EDT: java.util.concurrent.ExecutionException: java.lang.NoClassDefFoundError: Could not initialize class org.openstreetmap.josm.actions.SessionSaveAction. Ursache: java.lang.NoClassDefFoundError: Could not initialize class org.openstreetmap.josm.actions.SessionSaveAction
- 00033.261 E: Handled by bug report queue: java.lang.NoClassDefFoundError: Could not initialize class org.openstreetmap.josm.actions.SessionSaveAction



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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: main (1)
java.lang.NoClassDefFoundError: Could not initialize class org.openstreetmap.josm.actions.SessionSaveAction
	at org.openstreetmap.josm.gui.MainMenu.<init>(MainMenu.java:181)
	at org.openstreetmap.josm.gui.MainFrame.initialize(MainFrame.java:93)
	at org.openstreetmap.josm.gui.MainApplication.initializeMainWindow(MainApplication.java:415)
	at org.openstreetmap.josm.spi.lifecycle.InitializationTask.call(InitializationTask.java:33)
	at org.openstreetmap.josm.spi.lifecycle.Lifecycle.runInitializationTasks(Lifecycle.java:103)
	at org.openstreetmap.josm.spi.lifecycle.Lifecycle.initialize(Lifecycle.java:71)
	at org.openstreetmap.josm.gui.MainApplication.mainJOSM(MainApplication.java:953)
	at org.openstreetmap.josm.gui.MainApplication$3.processArguments(MainApplication.java:277)
	at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:741)
}}}
"	defect	closed	normal		Core		duplicate	template_report