executing the jar file of javafx project

Hello,

I have created a javaFx project,and after buidling it has created an executable jar in the \dist folder of the project.Now, i am trying to execute this jar by double clicking it. It is giving me an error 'Could not find the main class:game.main. Program will exit'I also tried to execute from command promt,but the error is the same.The path in the Manifest file is also correct.Please help

They did try in Sun Java Forum and yet to recieve a workable solution