urlclassloader « NoClassDefFoundError « Java Class Q&A

1. Custom URLClassLoader, NoClassDefFoundError when run    stackoverflow.com

I've created my own URLClassLoader, and set it as the system classloader via java.system.class.loader. It's initialized and everything, but the classes I'm trying to load aren't found. Here's the ...

2. Java: Using defineClass to Dynamically Create Class from Bytes    stackoverflow.com

It seems like I should be able to do this with a class loader derived from URLClassLoader that includes a loadClass():

public Class loadClass(String className, byte[] classBytes)
throws ClassNotFoundException, NoClassDefFoundError
{
    ...