title: My program cannot detect referred jar
body: <p><a href="https://i.stack.imgur.com/S2Vwb.jpg" rel="nofollow noreferrer">this is my projects's hierarchy</a></p>
  
  <p>I'm currently doing a project, and one of the function is to play videos. 
  So, i'm using dsj.jar to play the videos..</p>
  
  <p>It works perfectly when running using eclipse, but after export it into .jar,
  the video won't play.</p>
  
  <p>So, i guess, i don't have problem in defining the resource path or import the jar
  (built path -> add external jar).</p>
  
  <p>But why the video won't play after I export it into runnable jar?</p>