title: What is 502 Proxy error? How to Resolve it
body: <p>When i try to login into Artifactory web appliaction ,its showing proxy error. The Error message is below.</p>
  
  <pre><code>Proxy Error
  The proxy server received an invalid response from an upstream server.
  The proxy server could not handle the request POST /artifactory/webapp/login.html.
  
  Reason: Error reading from remote server
  Apache/2.2.15 (CentOS) Server at XX.XX.XX.XX Port 80
  </code></pre>
  
  <p>Any Solution for this?</p>