title: 502 proxy Error [error reading from remote server]
body: <p>I'm getting an error message with my https site. when I am working with my http site it working fine on APACHE2 on Ubuntu 14.04.</p>
  
  <p><a href="https://i.stack.imgur.com/LSabG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LSabG.png" alt="enter image description here"></a></p>
  
  <p>here is my virtual host config for https site    </p>
  
  <pre><code>&lt;VirtualHost _default_:443&gt;
               SSLProxyEngine On
               ProxyRequests Off
               ProxyPreserveHost On
               RequestHeader set Front-End-Https "On"
  
              servername jenkins.mydomain.com
              Proxypass / https://192.168.0.93:8080/  Keepalive=on
              ProxypassReverse / https://jenkins.mydomain.com/
  
  
              SSLEngine on
              SSLCertificateFile      /etc/apache2/ssl/wildcard.crt
              ErrorLog ${APACHE_LOG_DIR}/error.log
              CustomLog ${APACHE_LOG_DIR}/access.log combined
      &lt;/virtualHost&gt;
  </code></pre>
  
  <p>please tell me where I am doing mistake.</p>