(Should the thought of currently being struggling to do a bare-steel restore would make you nervous, now's the perfect time to produce a complete backup of one's Computer system.) all classes and interfaces inside the superclass hierarchy (e.g. see Java class is current in classpath but startup fails with Mistake: https://zane68yx0.sharebyblog.com/33639248/5-essential-elements-for-ups-uninterruptible-power-supply