502 proxy Error [error reading from remote server]
<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>