title: Borwser: didn’t send any data. ERR_EMPTY_RESPONSE
body: <p>I am on rails 4 framework and using nginx werbserver and passenger as a application server. Sometimes while trying to load web page i am getting below error and my web page is not loading.</p>
  
  <pre><code>didn’t send any data.
  ERR_EMPTY_RESPONSE
  </code></pre>
  
  <p>I checked my server log file and found that request is not hitting to the server at all. after clearing the browser cache it is working fine. </p>
  
  <p>what can be the reason for this issue.</p>
  
  <p>Thanks,</p>