When the class is declared within a bundle like com.acme.instance, then you ought to use the full classname including all courses and interfaces within the superclass hierarchy (e.g. see Java class is existing in classpath but startup fails with Error: Couldn't come across or load key course) Tripp Lite is https://edwinbavrl.blogocial.com/the-fact-about-power-supply-uninterruptible-that-no-one-is-suggesting-69567665