Sometimes I find jars that can be opened with for eg jd-gui.exe but you cannot see the code at all. But the jar does work although you can see nothing with the jar viewer....
You mean en empty one, no class names etc? Never seen that...
Or do you mean an illegible one? If you mean the latter, then the library has probably been obfuscated with ProGuard
You mean en empty one, no class names etc? Never seen that...
Or do you mean an illegible one? If you mean the latter, then the library has probably been obfuscated with ProGuard