Jim wrote:
> I created a JDWP/JDI bug for this , but still am not quite sure
> of what is going on with unmodifiable classes. The JVMTI spec says
>
> can_redefine_any_class RedefineClasses can be called on any class
> (can_redefine_classes must also be set)
>
> ( A technically untrue defn - I can always call RedefineClasses on anything I
> want. But it might not always work.)

A more precise definition would be:

       Can retransform or redefine any non-primitive non-array class.
       RetransformClasses is used for retransformation and also requires
       the can_retransform_classes capability.
       RedefineClasses is used for redefinition and also requires
       the can_redefine_classes capability.