id summary reporter owner description type status priority milestone component version resolution keywords cc 24780 Error message while closing JOSM anonymous darkonus "==== What steps will reproduce the problem? 1. This message appears when I close JOSM after a session: ""An unexpected exception occurred."" 2. 3. ==== What is the expected result? Close without a warning message ==== What happens instead? I click ""Ignore this error."" and then close JOSM ==== Please provide any additional information below. Attach a screenshot if possible. {{{ Revision:19555 Build-Date:2026-03-30 09:42:59 Identification: JOSM/1.5 (19555 en_GB) Windows 11 64-Bit OS Build number: Windows 10 Enterprise 25H2 (26200) Memory Usage: 440 MB / 12160 MB (167 MB allocated, but free) Java version: 21.0.10+7-LTS, Azul Systems, Inc., OpenJDK 64-Bit Server VM Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel Screen: \Display0 1920x1080x32bpp@60Hz (scaling 1.00×1.00) \Display1 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: UTF-8 System property sun.jnu.encoding: Cp1252 Locale info: en_GB Numbers with default locale: 1234567890 -> 1234567890 VM arguments: [-Djpackage.app-version=1.5.19555, -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.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=%UserProfile%\AppData\Local\JOSM\JOSM.exe] Plugins: + FastDraw (36474) + FilletTools (0.3.1) + ImportImagePlugin (36474) + apache-commons (36474) + buildings_tools (36474) + ejml (36474) + geochat (36474) + geotools (36474) + jackson (36474) + jaxb (36474) + jts (36474) + mapathoner (v1.7.4) + markseen (182) + measurement (36474) + opendata (36474) + reltoolbox (36474) + scripting-0.2.10 (v0.2.10) + terracer (36484) + todo (159) + utilsplugin2 (36497) Map paint styles: - https://josm.openstreetmap.de/josmfile?page=Styles/ColorWays&zip=1 - https://github.com/MissingMaps/josm_styles/archive/master.zip - https://github.com/osmlab/appledata/archive/josm_paint_inline_validation.zip + https://raw.githubusercontent.com/open-energy-transition/color-my-grid/refs/heads/main/ohmygrid-default.mapcss - https://josm.openstreetmap.de/josmfile?page=Styles/Waterways&zip=1 - https://josm.openstreetmap.de/josmfile?page=Styles/NewModifiedBuildings&zip=1 + https://gitlab.com/peculiar-theater/mapcss/-/raw/main/tm-taskgrid/tm-taskgrid.mapcss - https://josm.openstreetmap.de/josmfile?page=Styles/LastUpdated&zip=1 Validator rules: + https://josm.openstreetmap.de/josmfile?page=Rules/ValidatingBuildingsInHOTTMProjects&zip=1 Last errors/warnings: - 02610.777 W: java.io.IOException: Attribution is not loaded yet - 02610.777 W: java.io.IOException: Attribution is not loaded yet - 02610.778 W: java.io.IOException: Attribution is not loaded yet - 02610.778 W: java.io.IOException: Attribution is not loaded yet - 02610.778 W: java.io.IOException: Attribution is not loaded yet - 02610.779 W: java.io.IOException: Attribution is not loaded yet - 02610.779 W: java.io.IOException: Attribution is not loaded yet - 02610.779 W: java.io.IOException: Attribution is not loaded yet - 02610.780 W: java.io.IOException: Attribution is not loaded yet - 03601.010 E: Handled by bug report queue: java.lang.IllegalArgumentException: Listener was not registered before: LayerChangeAdapter [org.openstreetmap.josm.plugins.fillettools.FilletToolsMapMode@65487ece] === REPORTED CRASH DATA === BugReportExceptionHandler#handleException: No data collected. Warning issued by: BugReportExceptionHandler#handleException === STACK TRACE === Thread: AWT-EventQueue-0 (51) of main java.lang.IllegalArgumentException: Listener was not registered before: LayerChangeAdapter [org.openstreetmap.josm.plugins.fillettools.FilletToolsMapMode@65487ece] at org.openstreetmap.josm.gui.layer.LayerManager.removeLayerChangeListener(LayerManager.java:437) at org.openstreetmap.josm.actions.JosmAction.destroy(JosmAction.java:277) at org.openstreetmap.josm.gui.IconToggleButton.destroy(IconToggleButton.java:73) at org.openstreetmap.josm.gui.MapFrame.destroy(MapFrame.java:357) at org.openstreetmap.josm.gui.MainPanel.updateContent(MainPanel.java:59) at org.openstreetmap.josm.gui.MainPanel$1.afterLastLayerRemoved(MainPanel.java:162) at org.openstreetmap.josm.gui.layer.MainLayerManager.realRemoveSingleLayer(MainLayerManager.java:354) at org.openstreetmap.josm.gui.layer.LayerManager.realRemoveLayer(LayerManager.java:269) at org.openstreetmap.josm.gui.layer.LayerManager.lambda$removeLayer$1(LayerManager.java:251) at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitWithException(GuiHelper.java:247) at org.openstreetmap.josm.gui.layer.LayerManager.removeLayer(LayerManager.java:251) at org.openstreetmap.josm.gui.layer.LayerManager.realResetState(LayerManager.java:518) at org.openstreetmap.josm.gui.layer.MainLayerManager.realResetState(MainLayerManager.java:558) at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitWithException(GuiHelper.java:247) at org.openstreetmap.josm.gui.layer.LayerManager.resetState(LayerManager.java:509) at org.openstreetmap.josm.gui.MainTermination.run(MainTermination.java:43) at org.openstreetmap.josm.spi.lifecycle.Lifecycle.exitJosm(Lifecycle.java:126) at org.openstreetmap.josm.gui.MainApplication.exitJosm(MainApplication.java:545) at org.openstreetmap.josm.gui.MainFrame$ExitWindowAdapter.windowClosing(MainFrame.java:201) at java.desktop/java.awt.Window.processWindowEvent(Unknown Source) at java.desktop/javax.swing.JFrame.processWindowEvent(Unknown Source) at java.desktop/java.awt.Window.processEvent(Unknown Source) at java.desktop/java.awt.Component.dispatchEventImpl(Unknown Source) at java.desktop/java.awt.Container.dispatchEventImpl(Unknown Source) at java.desktop/java.awt.Window.dispatchEventImpl(Unknown Source) at java.desktop/java.awt.Component.dispatchEvent(Unknown Source) at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source) at java.desktop/java.awt.EventQueue$4.run(Unknown Source) at java.desktop/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.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) at java.desktop/java.awt.EventQueue$5.run(Unknown Source) at java.desktop/java.awt.EventQueue$5.run(Unknown Source) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.desktop/java.awt.EventDispatchThread.run(Unknown Source) }}} " defect closed normal Plugin FilletTools duplicate template_report