Error on startup: "JavaFX is not available. Please install OpenJFX through your package manager"

[anonymous]

What steps will reproduce the problem?

1. Start JOSM with microsoft_streetside plugin installed

What is the expected result?

JOSM starts normally

What happens instead?

Receive the above error, and an option to disable or keep the plugin.

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2022-04-04 22:26:00 +0200 (Mon, 04 Apr 2022)
Revision:18427
Build-Date:2022-04-05 01:30:55
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (18427 en) Linux Ubuntu 20.04.4 LTS
Memory Usage: 186 MB / 1964 MB (82 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 1920×1080 (scaling 1.00×1.00) :0.1 1920×1080 (scaling 1.00×1.00)
Maximum Screen Size: 1920×1080
Best cursor sizes: 16×16→16×16, 32×32→32×32
Environment variable LANG: en_US.UTF-8
System property file.encoding: UTF-8
System property sun.jnu.encoding: UTF-8
Locale info: en_US
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
libcommons-logging-java: libcommons-logging-java:-
fonts-noto: fonts-noto:all-20200323-1build1~ubuntu20.04.1
VM arguments: [-Djosm.restart=true, -Djava.net.useSystemProxies=true]
Program arguments: [${HOME}/sumo_map/merzig_map2/parking.osm]
Dataset consistency test: No problems found

Plugins:
+ MicrosoftStreetside (35779)
+ apache-commons (35924)
+ apache-http (35924)
+ javafx (35807)
+ jna (35924)
+ utilsplugin2 (35970)

Last errors/warnings:
- 00002.567 E: JavaFX is not available
- 00002.643 W: Disable plugin - JavaFX is not available. Please install OpenJFX through your package manager.
- 00138.710 E: Handled by bug report queue: org.openstreetmap.josm.plugins.PluginException: An error occurred in plugin MicrosoftStreetside. Cause: java.lang.reflect.InvocationTargetException. Cause: java.lang.NoClassDefFoundError: javafx/embed/swing/JFXPanel. Cause: java.lang.ClassNotFoundException: javafx.embed.swing.JFXPanel



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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (20) of main
org.openstreetmap.josm.plugins.PluginException: An error occurred in plugin MicrosoftStreetside
	at org.openstreetmap.josm.plugins.PluginProxy.handlePluginException(PluginProxy.java:60)
	at org.openstreetmap.josm.plugins.PluginProxy.mapFrameInitialized(PluginProxy.java:71)
	at org.openstreetmap.josm.gui.MainPanel.updateContent(MainPanel.java:80)
	at org.openstreetmap.josm.gui.MainPanel$1.beforeFirstLayerAdded(MainPanel.java:157)
	at org.openstreetmap.josm.gui.layer.MainLayerManager.realAddLayer(MainLayerManager.java:304)
	at org.openstreetmap.josm.gui.layer.LayerManager.lambda$addLayer$0(LayerManager.java:218)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:303)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:117)
	at java.desktop/java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
	at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
	at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.desktop/java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
	at java.desktop/java.awt.Dialog.show(Dialog.java:1070)
	at java.desktop/java.awt.Component.show(Component.java:1716)
	at java.desktop/java.awt.Component.setVisible(Component.java:1663)
	at java.desktop/java.awt.Window.setVisible(Window.java:1031)
	at java.desktop/java.awt.Dialog.setVisible(Dialog.java:1005)
	at org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor.lambda$doBeginTask$3(PleaseWaitProgressMonitor.java:255)
	at org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor.lambda$doInEDT$0(PleaseWaitProgressMonitor.java:113)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Caused by: java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.openstreetmap.josm.plugins.PluginProxy.mapFrameInitialized(PluginProxy.java:66)
	... 39 more
Caused by: java.lang.NoClassDefFoundError: javafx/embed/swing/JFXPanel
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1017)
	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:589)
	at org.openstreetmap.josm.plugins.PluginClassLoader.loadClass(PluginClassLoader.java:74)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
	at org.openstreetmap.josm.plugins.streetside.gui.StreetsideViewerDialog.<init>(StreetsideViewerDialog.java:35)
	at org.openstreetmap.josm.plugins.streetside.gui.StreetsideViewerDialog.getInstance(StreetsideViewerDialog.java:46)
	at org.openstreetmap.josm.plugins.streetside.StreetsidePlugin.mapFrameInitialized(StreetsidePlugin.java:82)
	... 44 more
Caused by: java.lang.ClassNotFoundException: javafx.embed.swing.JFXPanel
	at org.openstreetmap.josm.plugins.PluginClassLoader.loadClass(PluginClassLoader.java:92)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
	... 58 more

=== RUNNING THREADS ===
Thread: ForkJoinPool.commonPool-worker-15 (35) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1628)
java.base@11.0.15/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)

Thread: AWT-XAWT (17) of system
java.desktop@11.0.15/sun.awt.X11.XToolkit.waitForEvents(Native Method)
java.desktop@11.0.15/sun.awt.X11.XToolkit.run(XToolkit.java:685)
java.desktop@11.0.15/sun.awt.X11.XToolkit.run(XToolkit.java:649)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: ForkJoinPool.commonPool-worker-3 (29) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1628)
java.base@11.0.15/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)

Thread: Common-Cleaner (11) of InnocuousThreadGroup
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.base@11.0.15/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
java.base@11.0.15/jdk.internal.ref.CleanerImpl.run(CleanerImpl.java:148)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)
java.base@11.0.15/jdk.internal.misc.InnocuousThread.run(InnocuousThread.java:161)

Thread: ForkJoinPool.commonPool-worker-5 (30) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1628)
java.base@11.0.15/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)

Thread: Weak reference cleaner (26) of main
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.base@11.0.15/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
java.base@11.0.15/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:176)
app//org.openstreetmap.josm.tools.ListenableWeakReference.clean(ListenableWeakReference.java:60)
app//org.openstreetmap.josm.tools.ListenableWeakReference$$Lambda$353/0x00000008403de040.run(Unknown Source)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: FileSystemWatchService (24) of main
java.base@11.0.15/sun.nio.fs.LinuxWatchService.poll(Native Method)
java.base@11.0.15/sun.nio.fs.LinuxWatchService$Poller.run(LinuxWatchService.java:316)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: Java2D Disposer (16) of system
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.base@11.0.15/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
java.base@11.0.15/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:176)
java.desktop@11.0.15/sun.java2d.Disposer.run(Disposer.java:144)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: main-worker-0 (19) of main
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.base@11.0.15/java.lang.Object.wait(Object.java:328)
java.desktop@11.0.15/java.awt.EventQueue.invokeAndWait(EventQueue.java:1361)
java.desktop@11.0.15/java.awt.EventQueue.invokeAndWait(EventQueue.java:1342)
java.desktop@11.0.15/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1480)
app//org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitWithException(GuiHelper.java:249)
app//org.openstreetmap.josm.gui.layer.LayerManager.addLayer(LayerManager.java:218)
app//org.openstreetmap.josm.gui.layer.LayerManager.addLayer(LayerManager.java:207)
app//org.openstreetmap.josm.gui.io.importexport.OsmImporter.importData(OsmImporter.java:102)
app//org.openstreetmap.josm.gui.io.importexport.OsmImporter.importData(OsmImporter.java:82)
app//org.openstreetmap.josm.gui.io.importexport.FileImporter.importDataHandleExceptions(FileImporter.java:103)
app//org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.importData(OpenFileAction.java:401)
app//org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.realRun(OpenFileAction.java:350)
app//org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:94)
app//org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:142)
java.base@11.0.15/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
java.base@11.0.15/java.util.concurrent.FutureTask.run(FutureTask.java:264)
java.base@11.0.15/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
java.base@11.0.15/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: DestroyJavaVM (48) of main

Thread: Signal Dispatcher (4) of system

Thread: Map Status Collector (54) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
java.base@11.0.15/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
app//org.openstreetmap.josm.gui.MapStatus$Collector.run(MapStatus.java:438)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: Image Fetcher 1 (49)
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.desktop@11.0.15/sun.awt.image.ImageFetcher.nextImage(ImageFetcher.java:154)
java.desktop@11.0.15/sun.awt.image.ImageFetcher.fetchloop(ImageFetcher.java:207)
java.desktop@11.0.15/sun.awt.image.ImageFetcher.run(ImageFetcher.java:176)

Thread: File Watcher (25) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
java.base@11.0.15/java.util.concurrent.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:483)
java.base@11.0.15/java.util.concurrent.LinkedBlockingDeque.take(LinkedBlockingDeque.java:671)
java.base@11.0.15/sun.nio.fs.AbstractWatchService.take(AbstractWatchService.java:118)
app//org.openstreetmap.josm.io.FileWatcher.processEvents(FileWatcher.java:120)
app//org.openstreetmap.josm.io.FileWatcher$$Lambda$296/0x0000000840377040.run(Unknown Source)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: changeset-updater-0 (47) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
java.base@11.0.15/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
java.base@11.0.15/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
java.base@11.0.15/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
java.base@11.0.15/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
java.base@11.0.15/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
java.base@11.0.15/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: ForkJoinPool.commonPool-worker-7 (31) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1628)
java.base@11.0.15/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)

Thread: Timer-1 (53) of main
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.base@11.0.15/java.lang.Object.wait(Object.java:328)
java.base@11.0.15/java.util.TimerThread.mainLoop(Timer.java:527)
java.base@11.0.15/java.util.TimerThread.run(Timer.java:506)

Thread: Timer-0 (50) of main
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.base@11.0.15/java.util.TimerThread.mainLoop(Timer.java:553)
java.base@11.0.15/java.util.TimerThread.run(Timer.java:506)

Thread: ForkJoinPool.commonPool-worker-13 (34) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1628)
java.base@11.0.15/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)

Thread: Keep-Alive-Timer (52) of InnocuousThreadGroup
java.base@11.0.15/java.lang.Thread.sleep(Native Method)
java.base@11.0.15/sun.net.www.http.KeepAliveCache.run(KeepAliveCache.java:168)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)
java.base@11.0.15/jdk.internal.misc.InnocuousThread.run(InnocuousThread.java:161)

Thread: TimerQueue (22) of system
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
java.base@11.0.15/java.util.concurrent.DelayQueue.take(DelayQueue.java:217)
java.desktop@11.0.15/javax.swing.TimerQueue.run(TimerQueue.java:171)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: ForkJoinPool.commonPool-worker-9 (32) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.parkUntil(LockSupport.java:275)
java.base@11.0.15/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1619)
java.base@11.0.15/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)

Thread: AWT-Shutdown (21) of system
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.base@11.0.15/java.lang.Object.wait(Object.java:328)
java.desktop@11.0.15/sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:291)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: Image Fetcher 0 (46)
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.desktop@11.0.15/sun.awt.image.ImageFetcher.nextImage(ImageFetcher.java:154)
java.desktop@11.0.15/sun.awt.image.ImageFetcher.fetchloop(ImageFetcher.java:207)
java.desktop@11.0.15/sun.awt.image.ImageFetcher.run(ImageFetcher.java:176)

Thread: AWT-EventQueue-0 (20) of main
Stacktrace see above.

Thread: ForkJoinPool.commonPool-worker-11 (33) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1628)
java.base@11.0.15/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)

Thread: Reference Handler (2) of system
java.base@11.0.15/java.lang.ref.Reference.waitForReferencePendingList(Native Method)
java.base@11.0.15/java.lang.ref.Reference.processPendingReferences(Reference.java:241)
java.base@11.0.15/java.lang.ref.Reference$ReferenceHandler.run(Reference.java:213)

Thread: JCS-ElementEventQueue-Thread-1 (45) of main
java.base@11.0.15/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.15/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.15/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
java.base@11.0.15/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
java.base@11.0.15/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
java.base@11.0.15/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
java.base@11.0.15/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
java.base@11.0.15/java.lang.Thread.run(Thread.java:829)

Thread: Finalizer (3) of system
java.base@11.0.15/java.lang.Object.wait(Native Method)
java.base@11.0.15/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
java.base@11.0.15/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:176)
java.base@11.0.15/java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:170)

[stoecker]

You should do as told: Install OpenJFX!

[skyper]

You still need to add some arguments on start, see comment 2 on #16657.