id summary reporter owner description type status priority milestone component version resolution keywords cc 24450 when startup i get this error anonymous anonymous "==== What steps will reproduce the problem? 1. start josm 19423 2. open .jos file for background layers 3. error ==== What is the expected result? ==== What happens instead? ==== Please provide any additional information below. Attach a screenshot if possible. {{{ Relative:URL: ^/trunk Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b Last:Changed Date: 2025-07-11 10:12:51 +0200 (Fri, 11 Jul 2025) Revision:19423 Build-Date:2025-07-12 01:30:35 URL:https://josm.openstreetmap.de/svn/trunk Identification: JOSM/1.5 (19423 en) Windows 11 64-Bit OS Build number: Windows 10 Home 24H2 (26100) Memory Usage: 350 MB / 4066 MB (126 MB allocated, but free) Java version: 17.0.10+13-LTS, BellSoft, OpenJDK 64-Bit Server VM Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel Screen: \Display0 1920x1080x32bpp@60Hz (scaling 1.00×1.00) Maximum Screen Size: 1920×1080 Best cursor sizes: 16×16→32×32, 32×32→32×32 System property file.encoding: Cp1252 System property sun.jnu.encoding: Cp1252 Locale info: en_NL Numbers with default locale: 1234567890 -> 1234567890 Plugins: + FastDraw (36438) + alignways (36438) + touchscreenhelper (36438) + utilsplugin2 (36438) Last errors/warnings: - 00000.573 W: extended font config - overriding 'filename.Myanmar_Text=mmrtext.ttf' with 'MMRTEXT.TTF' - 00000.575 W: extended font config - overriding 'filename.Mongolian_Baiti=monbaiti.ttf' with 'MONBAITI.TTF' - 00079.394 W: java.net.UnknownHostException: geodata.nationaalgeoregister.nl - 00079.496 W: java.net.UnknownHostException: geodata.nationaalgeoregister.nl - 00079.512 E: org.openstreetmap.josm.tools.bugreport.ReportedException: java.lang.IllegalArgumentException: java.net.UnknownHostException: geodata.nationaalgeoregister.nl. Cause: java.lang.IllegalArgumentException: java.net.UnknownHostException: geodata.nationaalgeoregister.nl. Cause: java.net.UnknownHostException: geodata.nationaalgeoregister.nl - 00079.566 E: Handled by bug report queue: java.lang.IllegalArgumentException: WMTSLayer [info=DKK Kadastralekaart v4 grens (OSM OK)(wmts)[] ('Worldwide) - https://geodata.nationaalgeoregister.nl/kadastralekaart/wmts/v4_0?SERVICE=WMTS&request=GetCapabilities - WMTS] is not managed by us. === REPORTED CRASH DATA === BugReportExceptionHandler#handleException: No data collected. Warning issued by: BugReportExceptionHandler#handleException === STACK TRACE === Thread: AWT-EventQueue-0 (23) of main java.lang.IllegalArgumentException: WMTSLayer [info=DKK Kadastralekaart v4 grens (OSM OK)(wmts)[] ('Worldwide) - https://geodata.nationaalgeoregister.nl/kadastralekaart/wmts/v4_0?SERVICE=WMTS&request=GetCapabilities - WMTS] is not managed by us. at org.openstreetmap.josm.gui.layer.LayerManager.checkContainsLayer(LayerManager.java:396) at org.openstreetmap.josm.gui.layer.MainLayerManager.realSetActiveLayer(MainLayerManager.java:286) at org.openstreetmap.josm.gui.layer.MainLayerManager.lambda$setActiveLayer$1(MainLayerManager.java:280) at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitWithException(GuiHelper.java:247) at org.openstreetmap.josm.gui.layer.MainLayerManager.setActiveLayer(MainLayerManager.java:280) at org.openstreetmap.josm.actions.SessionLoadAction$Loader.addLayers(SessionLoadAction.java:147) at org.openstreetmap.josm.actions.SessionLoadAction$Loader.lambda$finish$0(SessionLoadAction.java:133) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:773) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:714) at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742) 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:191) at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:236) at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:234) at java.base/java.security.AccessController.doPrivileged(AccessController.java:318) at java.desktop/java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:234) at java.desktop/java.awt.Dialog.show(Dialog.java:1080) at java.desktop/java.awt.Component.show(Component.java:1728) at java.desktop/java.awt.Component.setVisible(Component.java:1675) at java.desktop/java.awt.Window.setVisible(Window.java:1036) at java.desktop/java.awt.Dialog.setVisible(Dialog.java:1016) at org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor.lambda$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:318) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:773) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:714) at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742) 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) }}} " defect needinfo normal Core template_report