Karma78215537 Posted January 3, 2022 Share Posted January 3, 2022 Exception in thread "main" java.lang.UnsupportedClassVersionError: net/minecraftforge/server/ServerMain : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482) I keep getting this issue upon creating a forge server... Please help.. (p.s im using java version 7u80 for minecraft 1.16.5) Quote Link to comment Share on other sites More sharing options...
KaboomRoads Posted January 3, 2022 Share Posted January 3, 2022 youre running java 7 but 1.16.5 needs a minimum of java 8 and can run until java 16 Quote Link to comment Share on other sites More sharing options...
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