error came after trying to combine two ways

[anonymous]

What steps will reproduce the problem?

What is the expected result?

What happens instead?

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

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2021-06-02 22:03:39 +0200 (Wed, 02 Jun 2021)
Build-Date:2021-06-02 20:11:30
Revision:17919
Relative:URL: ^/trunk

Identification: JOSM/1.5 (17919 en) Mac OS X 10.16
OS Build number: macOS 11.3 (20E232)
Memory Usage: 1421 MB / 3641 MB (367 MB allocated, but free)
Java version: 1.8.0_291-b10, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Look and Feel: com.formdev.flatlaf.FlatDarculaLaf
Screen: Display 1 2240×1260 (scaling 1.00×1.00) Display 2 1920×1080 (scaling 1.00×1.00)
Maximum Screen Size: 2240×1260
Best cursor sizes: 16×16→16×16, 32×32→32×32
System property file.encoding: UTF-8
System property sun.jnu.encoding: UTF-8
Locale info: en_US
Numbers with default locale: 1234567890 -> 1234567890
VM arguments: [-Djava.security.policy=file:<java.home>/lib/security/javaws.policy, -DtrustProxy=true, -Djnlpx.home=<java.home>/bin, -Djava.security.manager, -Djnlpx.origFilenameArg=${HOME}/Library/Application Support/Oracle/Java/Deployment/cache/6.0/56/1ee8cfb8-1e50d544, -Djnlpx.remove=false, -Dsun.awt.warmup=true, -Djava.util.Arrays.useLegacyMergeSort=true, -Dmacosx.jnlpx.dock.name=JOSM, -Dmacosx.jnlpx.dock.icon=${HOME}/Library/Application Support/Oracle/Java/Deployment/cache/6.0/25/4c122699-24c54dea.icns, -Djnlp.application.href=https://josm.openstreetmap.de/download/josm.jnlp , -Djnlpx.jvm="<java.home>/bin/java"]
Dataset consistency test: No problems found

Plugins:
+ EasyPresets (1616852928)
+ Mapillary (2.0.0-alpha.9)
+ apache-commons (35524)
+ apache-http (35589)
+ auto_tools (79)
+ changeset-viewer (25)
+ flatlaf (35734)
+ geochat (35640)
+ graphview (35640)
+ jna (35662)
+ mapwithai (1.8.2)
+ markseen (14)
+ osm-obj-info (56)
+ rex (53)
+ turnrestrictions (35640)
+ utilsplugin2 (35691)

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1
+ https://raw.githubusercontent.com/KaartGroup/Kaart-Styles/master/Kaart-Styles.mapcss
+ https://raw.githubusercontent.com/KaartGroup/Kaart-Styles/master/Overlapping%20Ways.mapcss
- https://josm.openstreetmap.de/josmfile?page=Styles/Coloured_Streets&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/MapWithAI&zip=1

Validator rules:
+ https://raw.githubusercontent.com/KaartGroup/KaartValidator/master/kaart.clingstone.validator.mapcss

Last errors/warnings:
- 00158.058 E: Failed to locate image 'void--car-mount'
- 00158.060 E: Failed to locate image 'void--dynamic'
- 00158.061 E: Failed to locate image 'void--ego-vehicle'
- 00158.063 E: Failed to locate image 'void--ground'
- 00158.066 E: Failed to locate image 'void--static'
- 00158.135 E: Failed to locate image 'warning--kangaroo-crossing--g1'
- 04107.097 W: Unknown remote control parameter title, skipping it
- 05278.179 E: Failed loading https://a.tile.openstreetmap.org/17/48579/74406.png: class java.io.IOException: Server returned HTTP response code: 503 for URL: https://c.tile.openstreetmap.org/17/48579/74406.png
- 10354.503 E: Failed loading https://c.tile.openstreetmap.org/15/12132/18612.png: class java.io.IOException: Server returned HTTP response code: 503 for URL: https://c.tile.openstreetmap.org/15/12132/18612.png
- 15789.758 E: Handled by bug report queue: java.lang.IllegalArgumentException: proportional location must be between 0.0 and 1.0.



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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-2 (40) of javawsApplicationThreadGroup
java.lang.IllegalArgumentException: proportional location must be between 0.0 and 1.0.
	at javax.swing.JSplitPane.setDividerLocation(JSplitPane.java:780)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog.adjustDividerLocation(CombinePrimitiveResolverDialog.java:457)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog.access$200(CombinePrimitiveResolverDialog.java:82)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog$AdjustDividerLocationAction.windowOpened(CombinePrimitiveResolverDialog.java:464)
	at java.awt.Window.processWindowEvent(Window.java:2051)
	at javax.swing.JDialog.processWindowEvent(JDialog.java:683)
	at java.awt.Window.processEvent(Window.java:2013)
	at java.awt.Component.dispatchEventImpl(Component.java:4889)
	at java.awt.Container.dispatchEventImpl(Container.java:2297)
	at java.awt.Window.dispatchEventImpl(Window.java:2746)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
	at java.awt.EventQueue$4.run(EventQueue.java:733)
	at java.awt.EventQueue$4.run(EventQueue.java:731)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
	at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
	at java.awt.Dialog.show(Dialog.java:1084)
	at java.awt.Component.show(Component.java:1671)
	at java.awt.Component.setVisible(Component.java:1623)
	at java.awt.Window.setVisible(Window.java:1014)
	at java.awt.Dialog.setVisible(Dialog.java:1005)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog.setVisible(CombinePrimitiveResolverDialog.java:379)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog.lambda$launchIfNecessary$1(CombinePrimitiveResolverDialog.java:546)
	at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitAndReturn(GuiHelper.java:268)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog.launchIfNecessary(CombinePrimitiveResolverDialog.java:528)
	at org.openstreetmap.josm.actions.CombineWayAction.combineWaysWorker(CombineWayAction.java:191)
	at org.openstreetmap.josm.actions.CombineWayAction.actionPerformed(CombineWayAction.java:298)
	at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1668)
	at javax.swing.JComponent.processKeyBinding(JComponent.java:2882)
	at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:307)
	at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:263)
	at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2974)
	at javax.swing.JComponent.processKeyBindings(JComponent.java:2966)
	at javax.swing.JComponent.processKeyEvent(JComponent.java:2845)
	at java.awt.Component.processEvent(Component.java:6316)
	at java.awt.Container.processEvent(Container.java:2239)
	at java.awt.Component.dispatchEventImpl(Component.java:4889)
	at java.awt.Container.dispatchEventImpl(Container.java:2297)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1954)
	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:835)
	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1103)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:974)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:800)
	at java.awt.Component.dispatchEventImpl(Component.java:4760)
	at java.awt.Container.dispatchEventImpl(Container.java:2297)
	at java.awt.Window.dispatchEventImpl(Window.java:2746)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
	at java.awt.EventQueue$4.run(EventQueue.java:733)
	at java.awt.EventQueue$4.run(EventQueue.java:731)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

[anonymous]

Similar to #20927

[Bjoeni]

Replying to anonymous:

Similar to #20927

yes

[Bjoeni]

Closed as duplicate of #20927.