I have an executable JAR file that i did not create. its for a demo of a trading application.
if i try to run it i get : Failed to Load Main-Class Manifest attibute from xyz.jar
let me start by saying im not a developer but know just enough to be dangerous.
if i view the contents of the jar file with 'jar tf' i can see all the packages/classes and reference to META-INF\Manifest.mf
there is no presence of a manifest file in the directory structure of the provided CD.
is the anyway for me to figure out what the main-class value should be and 'hack' my own manifest or do i have to go back to the developer/provider?