title: An internal error occurred during: "Start Ruble bundle manager"
body: <p>I've install the Aptana3 Eclipse plugin, I am using eclipse Version: Juno Service Release 1
  Build id: 20121004-1855.</p>
  
  <p>Each time I launch eclipse I see an error dialog that says:</p>
  
  <p>An internal error occurred during: "Start Ruble bundle manager".
  java.lang.NullPointerException</p>
  
  <p>How can I fix this error?</p>