java.lang.IllegalAccessError: class FooBar.Foo cannot access its superclass org.modelmapper.FooTest$Foo
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
    at net.bytebuddy.dynamic.loading.ByteArrayClassLoader.findClass(ByteArrayClassLoader.java:48)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
    at net.bytebuddy.dynamic.ClassLoadingStrategy$Default.load(ClassLoadingStrategy.java:59)
    at net.bytebuddy.dynamic.DynamicType$Default$Unloaded.load(DynamicType.java:1132)
    at org.modelmapper.FooTest.proxyClassFor(FooTest.java:35)
    at org.modelmapper.FooTest.test(FooTest.java:40)

@Test
public class FooTest {
  static class Foo {
  }

  public void test() {
    new ByteBuddy().withNamingStrategy(new NamingStrategy() {
          public String getName(UnnamedType unnamedType) {
            return "FooBar." + unnamedType.getSuperClass().getSimpleName();
          }
        })
        .subclass(Foo.class)
        .method(MethodMatchers.any())
        .intercept(InvocationHandlerAdapter.of(new InvocationHandler() {
          public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
            return null;
          }
        }))
        .make()
        .load(FooTest.class.getClassLoader(), ClassLoadingStrategy.Default.WRAPPER)
        .getLoaded();
  }
}