Hello Klaus, Prior to 10.0.3 rc1, the version of the SDK build-tools has to be strictly 31.0.0 - any newer versions installed have to be removed.
Kind regards, Panos On Tue, 14 Oct 2025, 20:17 Klaus major-k via use-livecode, < [email protected]> wrote: > Hi all, > > I just created a new selfsigned keystore with Android Studio and wanted to > test this with LC 10.0.2, with JAVA 8 still installed. > I did Not update to JAVA < 8 yet. > > But I got this error: > > ---------------------------------------------------------------------------------- > There was an error while saving the standalone application could not > encode class bundle - error: > Exception in thread "main" java.lang. UnsupportedClassVersionError: > com/android/tools/r8/D8 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.defineClass 1 (Native Method) at > java.lang.ClassLoader.defineClass(ClassLoader.java:756) > at java.security SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:473)| > at java.net.URLClassLoader.access$100(URLClassLoader.java:74) > at java.net.URLClassLoaderS1.run(URLClassLoader.java:369) > at java.net.URLClassLoaderS1.run(URLClassLoader.java:363) > at java.security.AccessController.doPrivileged(Native Method) at > java.net.URLClassLoader.findClass(URLClassLoader.java:362) > at java.lang.ClassLoader.loadClass(ClassLoader.java:418) > at sun.misc.LauncherSAppClassLoader.loadClass(Launcher.java:371) > at java.lang.ClassLoader.loadClass(ClassLoader.java:351) > at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:642) > > ---------------------------------------------------------------------------------- > > macOS 26.0.1 > LC 10.0.2 > > Android Studio: > ---------------------------------------- > Android Studio Iguana | 2023.2.1 Patch 1 > Build #AI-232.10300.40.2321.11567975, built on March 13, 2024 > Runtime version: 17.0.9+0-17.0.9b1087.7-11185874 aarch64 > VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o. > macOS 26.0.1 > GC: G1 Young Generation, G1 Old Generation > Memory: 2048M > Cores: 8 > Metal Rendering is ON > Registry: > ide.experimental.ui=true > ------------------------------------------ > What is wrong with my setup? > Thanks a lot in advance! > > > Best > > Klaus > -- > Klaus Major > https://www.major-k.de > https://www.major-k.de/bass > [email protected] > > > _______________________________________________ > use-livecode mailing list > [email protected] > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > _______________________________________________ use-livecode mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
