id summary reporter owner description type status priority milestone component version resolution keywords cc 19915 Crash in relation editor when saving GerdP GerdP "==== What steps will reproduce the problem? 1. Create new relation with at least two members 2. Open relation editor with the new relation 3. Undo creation of relation 4. In relation editor change the order of the members 5. Save relation ==== What is the expected result? New relation is saved with `AddCommand` ==== What happens instead? Bug report ==== Please provide any additional information below. Attach a screenshot if possible. Happens also with latest version {{{ URL:https://josm.openstreetmap.de/svn/trunk Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b Last:Changed Date: 2020-10-03 13:42:38 +0200 (Sat, 03 Oct 2020) Build-Date:2020-10-04 01:30:47 Revision:17084 Relative:URL: ^/trunk Identification: JOSM/1.5 (17084 en) Windows 10 64-Bit OS Build number: Windows 10 Home 2004 (19041) Memory Usage: 1193 MB / 3641 MB (389 MB allocated, but free) Java version: 1.8.0_221-b11, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel Screen: \Display0 1920x1080 (scaling 1.0x1.0) Maximum Screen Size: 1920x1080 Best cursor sizes: 16x16 -> 32x32, 32x32 -> 32x32 VM arguments: [-XX:StartFlightRecording=name=MyRecording2,settings=d:\dbg\gerd.jfc, -XX:FlightRecorderOptions=defaultrecording=true,dumponexit=true,dumponexitpath=e:\ld\perf_20201011_204119.jfr] Dataset consistency test: No problems found Plugins: + OpeningHoursEditor (35414) + PolygonCutOut (v0.7) + apache-commons (35524) + buildings_tools (35574) + continuosDownload (91) + ejml (35313) + geotools (35169) + jaxb (35092) + jts (35122) + measurement (35405) + merge-overlap (35248) + o5m (35248) + opendata (35513) + pbf (35446) + poly (35248) + reverter (35556) + undelete (35521) + utilsplugin2 (35487) Map paint styles: - https://raw.githubusercontent.com/yopaseopor/traffic_signs_style_JOSM/master/Styles_Traffic_signs_AME.zip - https://josm.openstreetmap.de/josmfile?page=Styles/Lit&zip=1 Last errors/warnings: - 00112.892 E: Handled by bug report queue: java.lang.IllegalArgumentException: Parameter 'data' must not be null === REPORTED CRASH DATA === BugReportExceptionHandler#handleException: No data collected. Warning issued by: BugReportExceptionHandler#handleException === STACK TRACE === Thread: AWT-EventQueue-0 (20) of main java.lang.IllegalArgumentException: Parameter 'data' must not be null at org.openstreetmap.josm.tools.CheckParameterUtil.ensureParameterNotNull(CheckParameterUtil.java:26) at org.openstreetmap.josm.command.Command.(Command.java:138) at org.openstreetmap.josm.command.ChangeCommand.(ChangeCommand.java:49) at org.openstreetmap.josm.command.ChangeCommand.(ChangeCommand.java:37) at org.openstreetmap.josm.gui.dialogs.relation.actions.SavingAction.applyExistingNonConflictingRelation(SavingAction.java:89) at org.openstreetmap.josm.gui.dialogs.relation.actions.SavingAction.applyChanges(SavingAction.java:162) at org.openstreetmap.josm.gui.dialogs.relation.actions.OKAction.actionPerformed(OKAction.java:33) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.setPressed(Unknown Source) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source) at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source) at java.awt.Component.processMouseEvent(Unknown Source) at javax.swing.JComponent.processMouseEvent(Unknown Source) at java.awt.Component.processEvent(Unknown Source) at java.awt.Container.processEvent(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Window.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.EventQueue.dispatchEventImpl(Unknown Source) at java.awt.EventQueue.access$500(Unknown Source) at java.awt.EventQueue$3.run(Unknown Source) at java.awt.EventQueue$3.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) at java.awt.EventQueue$4.run(Unknown Source) at java.awt.EventQueue$4.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source) }}} " defect assigned normal Core tested template_report