id summary reporter owner description type status priority milestone component version resolution keywords cc 24952 Uploading on macOS prior to authentication caused Exception anonymous team "==== What steps will reproduce the problem? I was not logged in on openstreetmap.org, downloaded JOSM for macOS, tried to upload some changes within JOSM. JOSM launched the ""Obtain authentication to OSM servers"", crashed, reported an Exception, and offered to report bug. ==== What is the expected result? ==== What happens instead? ==== Please provide any additional information below. Attach a screenshot if possible. {{{ Revision:19613 Build-Date:2026-08-12 01:46:10 Identification: JOSM/1.5 (19613 en) Mac OS X 27.0 OS Build number: macOS 27.0 (26A428) Memory Usage: 576 MB / 6144 MB (249 MB allocated, but free) Java version: 21.0.12+8-LTS, Azul Systems, Inc., OpenJDK 64-Bit Server VM Look and Feel: com.apple.laf.AquaLookAndFeel Screen: Display 1 1280x828x32bpp@60Hz (scaling 2.00×2.00) Maximum Screen Size: 1280×828 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: [-Djpackage.app-version=19613, -XX:MaxRAMPercentage=75.0, --add-modules=java.scripting,java.sql,javafx.controls,javafx.media,javafx.swing,javafx.web, --add-exports=java.base/sun.security.action=ALL-UNNAMED, --add-exports=java.desktop/com.apple.eawt=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.plugins.jpeg=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.spi=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, -Djpackage.app-path=/private/var/folders/t2/rz5y8hxs2yv9jxt43kvft_6c0000gn/T/AppTranslocation/4024D61A-3E9A-4CC0-9288-3583B31DFB72/d/JOSM.app/Contents/MacOS/JOSM] Last errors/warnings: - 00548.205 E: Handled by bug report queue: java.lang.UnsupportedOperationException === REPORTED CRASH DATA === BugReportExceptionHandler#handleException: No data collected. Warning issued by: BugReportExceptionHandler#handleException === STACK TRACE === Thread: AWT-EventQueue-0 (38) of main java.lang.UnsupportedOperationException at java.base/java.util.Collections$UnmodifiableCollection.add(Unknown Source) at org.openstreetmap.josm.gui.autofilter.AutoFilterManager.updateButtons(AutoFilterManager.java:149) at org.openstreetmap.josm.gui.autofilter.AutoFilterManager.dataChanged(AutoFilterManager.java:353) at org.openstreetmap.josm.data.osm.event.DataChangedEvent.fire(DataChangedEvent.java:38) at org.openstreetmap.josm.data.osm.event.DatasetEventManager.fireConsolidatedEvents(DatasetEventManager.java:210) at org.openstreetmap.josm.data.osm.event.DatasetEventManager$EdtRunnable.run(DatasetEventManager.java:90) at java.desktop@21.0.12/java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.desktop@21.0.12/java.awt.EventQueue.dispatchEventImpl(Unknown Source) at java.desktop@21.0.12/java.awt.EventQueue$4.run(Unknown Source) at java.desktop@21.0.12/java.awt.EventQueue$4.run(Unknown Source) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) at java.desktop@21.0.12/java.awt.EventQueue.dispatchEvent(Unknown Source) at java.desktop@21.0.12/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.desktop@21.0.12/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.desktop@21.0.12/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.desktop@21.0.12/java.awt.WaitDispatchSupport$2.run(Unknown Source) at java.desktop@21.0.12/java.awt.WaitDispatchSupport$4.run(Unknown Source) at java.desktop@21.0.12/java.awt.WaitDispatchSupport$4.run(Unknown Source) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at java.desktop@21.0.12/java.awt.WaitDispatchSupport.enter(Unknown Source) at java.desktop@21.0.12/java.awt.Dialog.show(Unknown Source) at java.desktop@21.0.12/java.awt.Component.show(Unknown Source) at java.desktop@21.0.12/java.awt.Component.setVisible(Unknown Source) at java.desktop@21.0.12/java.awt.Window.setVisible(Unknown Source) at java.desktop@21.0.12/java.awt.Dialog.setVisible(Unknown Source) at org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor.lambda$doBeginTask$3(PleaseWaitProgressMonitor.java:255) at org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor.lambda$doInEDT$0(PleaseWaitProgressMonitor.java:113) at java.desktop@21.0.12/java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.desktop@21.0.12/java.awt.EventQueue.dispatchEventImpl(Unknown Source) at java.desktop@21.0.12/java.awt.EventQueue$4.run(Unknown Source) at java.desktop@21.0.12/java.awt.EventQueue$4.run(Unknown Source) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) at java.desktop@21.0.12/java.awt.EventQueue.dispatchEvent(Unknown Source) at java.desktop@21.0.12/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.desktop@21.0.12/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.desktop@21.0.12/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.desktop@21.0.12/java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.desktop@21.0.12/java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.desktop@21.0.12/java.awt.EventDispatchThread.run(Unknown Source) }}} " defect closed normal Core duplicate template_report