Ubuntu Minecraft Server java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader

Question

Im trying to run my modded mc server. It works on wondows but when I try to run it on ubuntu it gives me this error:

    saif@Saif-Ubuntu:~/Desktop/Minecraft Serv         


        

Answer 1

This issue occurs when you don't use JDK 8, please try using it again, uninstall JDK 11 and check your JDK version with java -version.