title: We're sorry, but something went wrong. - with Rails, Apache, Passenger
body: <p>I have <code>Rails</code> 3.2.3 with <code>Apache</code> and <code>Passenger</code>.</p>
  
  <p>I have a project working in development mode.
  When I switch the project to production mode (<code>Passenger</code> standard)
  it gives me an <code>HTTP Error 500</code>:</p>
  
  <blockquote>
    <p>We're sorry, but something went wrong.</p>
  </blockquote>
  
  <p>This happens even with <code>WEBrick</code>.
  Can somebody help me?</p>
  
  <p><strong>Edit</strong>:</p>
  
  <p>My production environment file:
  <a href="http://pastebin.com/ZAudSzkc" rel="noreferrer">http://pastebin.com/ZAudSzkc</a></p>