Unable to start .jar file as a window service

Hello Everyone, This is my 1st thread, so i'm naive about the categories under which the issue i'm facing falls. I've a jar file which contains a very simple program of displaying "Hello" message in the console.I've pasted the code at the end of this thread.I want to run this jar file as a windows service.This service gets started without any hiccup,However,It simply wouldn't start the...