Java Incompatible magic value 4022320623

Question

Im getting a strange error when im compiling my code on a server and downloading it and trying to run it on my computer.

Im basically compiling some java files on an

Answer 1

Java is telling you it's not a valid class file because it doesn't begin with the expected byte sequence (0xCAFEBABE). Something went wrong when you downloaded it. Try inspecting your class file in an editor and see if maybe you actually have some other content in there.