Enabling javafx-windows on Windows Results in Error

[Zian]

What steps will reproduce the problem?

1. Enable the javafx-windows plugin

What is the expected result?

JOSM should restarted with the plugin enabled and allow plugins that depend on javafx to work.

What happens instead?

JOSM crashed.

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-04-06 02:17:07 +0200 (Mon, 06 Apr 2020)
Revision:16239
Build-Date:2020-04-06 00:18:43
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (16239 en) Windows 10 64-Bit
OS Build number: Windows 10 Pro 1909 (18363)
Memory Usage: 510 MB / 2048 MB (269 MB allocated, but free)
Java version: 11.0.6+10-LTS, Azul Systems, Inc., OpenJDK 64-Bit Server VM
Screen: \Display0 1080x1920, \Display1 2560x1440
Maximum Screen Size: 2560x1920
VM arguments: [--add-modules=java.scripting,java.sql, --add-exports=java.desktop/com.apple.eawt=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.spi=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.plugins.jpeg=ALL-UNNAMED, --add-exports=javafx.graphics/com.sun.javafx.application=ALL-UNNAMED, --add-exports=jdk.deploy/com.sun.deploy.config=ALL-UNNAMED, --add-opens=java.base/java.lang=ALL-UNNAMED, --add-opens=java.base/java.nio=ALL-UNNAMED, --add-opens=java.base/jdk.internal.loader=ALL-UNNAMED, --add-opens=java.base/jdk.internal.ref=ALL-UNNAMED, --add-opens=java.desktop/javax.imageio.spi=ALL-UNNAMED, --add-opens=java.desktop/javax.swing.text.html=ALL-UNNAMED, --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED, -Djava.util.Arrays.useLegacyMergeSort=true, --add-exports=java.base/sun.net.www.protocol.jar=ALL-UNNAMED,java.desktop, --add-exports=java.base/jdk.internal.util.jar=ALL-UNNAMED,java.desktop, --add-exports=java.base/com.sun.net.ssl.internal.ssl=ALL-UNNAMED,java.desktop, --add-reads=java.naming=ALL-UNNAMED,java.desktop, --add-exports=java.desktop/sun.awt.X11=ALL-UNNAMED,java.desktop, --add-exports=java.desktop/sun.applet=ALL-UNNAMED,java.desktop,jdk.jsobject, --add-exports=java.base/sun.security.action=ALL-UNNAMED,java.desktop, --add-reads=java.base=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.net.www.protocol.http=ALL-UNNAMED,java.desktop, --add-exports=java.naming/com.sun.jndi.toolkit.url=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.security.util=ALL-UNNAMED,java.desktop,ALL-UNNAMED, --add-reads=java.desktop=ALL-UNNAMED,java.naming, --add-exports=java.desktop/sun.awt=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.security.x509=ALL-UNNAMED,java.desktop,ALL-UNNAMED, --add-exports=java.desktop/javax.jnlp=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.security.provider=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.security.validator=ALL-UNNAMED,java.desktop]
Dataset consistency test: No problems found

Plugins:
+ ElevationProfile (35444)
+ ImproveOsm (197)
+ InfoMode (35248)
+ Mapillary (1.5.22)
+ OpeningHoursEditor (35414)
+ apache-commons (35362)
+ apache-http (35092)
+ buildings_tools (35405)
+ imagery_offset_db (35405)
+ javafx-windows (35375)
+ jna (35092)
+ measurement (35405)
+ reverter (35409)
+ turnlanes (35405)

Map paint styles:
+ https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/MaxspeedIcons&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransportV2&zip=1

Last errors/warnings:
- E: Region [TMS_BLOCK_v2] Failure getting from disk, key = OpenStreetMap Carto (Standard):https://{switch:a,b,c}.tile.openstreetmap.org/{zoom}/{x}/{y}.png/16/11429/26422
- E: Region [TMS_BLOCK_v2] Failure getting from disk, key = OpenStreetMap Carto (Standard):https://{switch:a,b,c}.tile.openstreetmap.org/{zoom}/{x}/{y}.png/16/11427/26421
- E: Handled by bug report queue: java.lang.NoClassDefFoundError: jdk/swing/interop/SwingInterOpUtils. Cause: java.lang.ClassNotFoundException: jdk.swing.interop.SwingInterOpUtils
- E: Handled by bug report queue: java.lang.NoClassDefFoundError: jdk/swing/interop/SwingInterOpUtils
- E: Handled by bug report queue: java.lang.NoClassDefFoundError: jdk/swing/interop/SwingInterOpUtils
- E: Handled by bug report queue: java.lang.NoClassDefFoundError: jdk/swing/interop/SwingInterOpUtils
- E: Handled by bug report queue: java.lang.NoClassDefFoundError: jdk/swing/interop/SwingInterOpUtils
- E: Handled by bug report queue: java.lang.NoClassDefFoundError: jdk/swing/interop/SwingInterOpUtils
- E: Handled by bug report queue: java.lang.NoClassDefFoundError: jdk/swing/interop/SwingInterOpUtils
- W: Warning - <html>JOSM could not find information about the following plugins:<ul><li>imagery_offset_db</li><li>InfoMode</li><li>apache-commons</li><li>ElevationProfile</li><li>ImproveOsm</li><li>Mapillary</li><li>javafx-windows</li><li>turnlanes</li><li>reverter</li><li>measurement</li><li>OpeningHoursEditor</li><li>buildings_tools</li><li>jna</li><li>apache-http</li></ul>The plugins are not going to be loaded.</html>


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: JavaFX Application Thread (190) of JOSM
java.lang.NoClassDefFoundError: jdk/swing/interop/SwingInterOpUtils
	at com.sun.javafx.embed.swing.newimpl.JFXPanelInteropN.postEvent(JFXPanelInteropN.java:36)
	at javafx.embed.swing.JFXPanel.invokeOnClientEDT(JFXPanel.java:930)
	at javafx.embed.swing.JFXPanel$HostContainer.setEmbeddedScene(JFXPanel.java:972)
	at com.sun.javafx.tk.quantum.EmbeddedScene.setStage(EmbeddedScene.java:122)
	at com.sun.javafx.tk.quantum.GlassStage.setScene(GlassStage.java:94)
	at com.sun.javafx.tk.quantum.EmbeddedStage.setScene(EmbeddedStage.java:62)
	at javafx.stage.Window$12.invalidated(Window.java:1085)
	at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
	at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:145)
	at javafx.stage.Window.setShowing(Window.java:1174)
	at javafx.stage.Window.show(Window.java:1189)
	at com.sun.javafx.stage.EmbeddedWindow.show(EmbeddedWindow.java:71)
	at javafx.embed.swing.JFXPanel.setSceneImpl(JFXPanel.java:326)
	at javafx.embed.swing.JFXPanel.setScene(JFXPanel.java:296)
	at org.openstreetmap.josm.plugins.javafx.gui.JavaFxWrapper.initFX(JavaFxWrapper.java:71)
	at com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:428)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
	at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
	at com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:174)
	at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.ClassNotFoundException: jdk.swing.interop.SwingInterOpUtils
	at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:471)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:588)
	at org.openstreetmap.josm.plugins.PluginClassLoader.loadClass(PluginClassLoader.java:73)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
	... 22 more

[taylor.smock]

Closed as duplicate of #19044.