id summary reporter owner description type status priority milestone component version resolution keywords cc 23009 UnsupportedClassVersionError: org/openstreetmap/josm/plugins/damn/DamnPlugin has been compiled by a more recent version of Java anonymous qeef "==== What steps will reproduce the problem? 1. 2. 3. ==== 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: 2023-06-02 17:23:29 +0200 (Fri, 02 Jun 2023) Build-Date:2023-06-03 01:31:02 Revision:18746 Relative:URL: ^/trunk Identification: JOSM/1.5 (18746 en) Windows 10 64-Bit OS Build number: Windows 10 Pro 2009 (19045) Memory Usage: 340 MB / 747 MB (203 MB allocated, but free) Java version: 1.8.0_371-b11, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel Screen: \Display0 1366×768 (scaling 1.00×1.00) Maximum Screen Size: 1366×768 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_US Numbers with default locale: 1234567890 -> 1234567890 Plugins: + BuildingGeneralization (36) + DirectDownload (36031) + DirectUpload (36031) + apache-commons (36034) + apache-http (35924) + buildings_tools + damn + graphview (36079) + jna (36005) + mapathoner + mapwithai + markseen + merge-overlap + osm-obj-info (66) + scripting + utilsplugin2 (36079) Map paint styles: + https://josm.openstreetmap.de/josmfile?page=Styles/MapWithAI&zip=1 + https://github.com/MissingMaps/josm_styles/archive/master.zip + https://github.com/osmlab/appledata/archive/josm_paint_inline_validation.zip Last errors/warnings: - 00040.872 W: Failed to scan file 'jts.jar.new' for plugin information. Skipping. - 00049.672 W: java.util.zip.ZipException: error in opening zip file - 00049.674 W: PluginException: : org.openstreetmap.josm.plugins.PluginException: Invalid jar file '\plugins\jts.jar.new' - 00049.677 W: Failed to scan file 'jts.jar.new' for plugin information. Skipping. - 00052.566 W: Failed to install plugin '\plugins\jts.jar' from temporary download file '\plugins\jts.jar.new'. error in opening zip file: java.util.zip.ZipException: error in opening zip file - 00484.083 W: java.net.UnknownHostException: api.openstreetmap.org - 00484.088 E: java.net.UnknownHostException: api.openstreetmap.org - 00484.092 E: org.openstreetmap.josm.io.OsmTransferException: Could not connect to the OSM server. Please check your internet connection.. Cause: java.net.UnknownHostException: api.openstreetmap.org - 00544.620 W: Plugin scripting requires Java version 11. The current Java version is 8. You have to update Java in order to use this plugin. - 00552.619 E: Handled by bug report queue: java.lang.UnsupportedClassVersionError: org/openstreetmap/josm/plugins/damn/DamnPlugin has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 === REPORTED CRASH DATA === BugReportExceptionHandler#handleException: No data collected. Warning issued by: BugReportExceptionHandler#handleException === STACK TRACE === Thread: main (1) java.lang.UnsupportedClassVersionError: org/openstreetmap/josm/plugins/damn/DamnPlugin has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at org.openstreetmap.josm.plugins.PluginClassLoader.loadClass(PluginClassLoader.java:74) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.openstreetmap.josm.plugins.PluginInformation.loadClass(PluginInformation.java:402) at org.openstreetmap.josm.plugins.PluginHandler.loadPlugin(PluginHandler.java:810) at org.openstreetmap.josm.plugins.PluginHandler.loadPlugins(PluginHandler.java:898) at org.openstreetmap.josm.plugins.PluginHandler.loadLatePlugins(PluginHandler.java:950) at org.openstreetmap.josm.gui.MainApplication.loadLatePlugins(MainApplication.java:1247) at org.openstreetmap.josm.gui.MainApplication.mainJOSM(MainApplication.java:962) at org.openstreetmap.josm.gui.MainApplication$3.processArguments(MainApplication.java:277) at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:742) }}} " defect new normal Plugin damn tested template_report