F:\EclipseWorkPlace\Java_work\phys2d>C:\Program Files (x86)\Java\jdk1.6.0_02\bin\java.exe -jar phys2d.jar
Failed to load Main-Class manifest attribute from
phys2d.jar


--Manifest.mf contents

Manifest-Version: 1.0
Created-By: 1.6.0_01 (Sun Microsystems Inc.)