Ramster 0 Newbie Poster

hey guys i want an help from you guys to create a jar file for my keylooger project which i had developed in java and vc++ using jni technology.while i try to create a jar file for it using the specified command which create a manifest file ALSO it is producing an error saying it cannot prepare manifest file for main class which is having a nativ function (dll)So please help me !!!!!!!!!