title: Rails App Error: Premature end of script headers
body: <p>My setup: Ubuntu 12.04 LTS, Apache, Phusion Passenger, latest Ruby and Rails.</p>
  
  <p>When I visit my website, I get a 500 Internal Server Error. 
  Error Logfiles: Premature end of script headers</p>
  
  <p>Does somebody know how to solve that problem?</p>