ssl - When using HTTPS Index.html showing instead of ProxyPass reverse proxied site on Centos 7 Apache 2

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The goal is that external users can
connect via HTTPS, go through basic auth on Apache and then view a proxies tomcat
site.

I have set up a reverse proxy to a tomcat
server running on the same machine on a different port with basic
auth:
(/etc/httpd/conf.d/vhost.conf)

NameVirtualHost
            *:80

 ServerName
            sub.domainx.co.uk
 ErrorLog "/var/log/proxy/domainx_prox_error_log"

            CustomLog "/var/log/proxy/domainx_prox_access_log" common
 ProxyRequests
            Off
 
 Order deny,allow
 Deny from
            all
 Allow from all

 

            
 AuthType Basic
 AuthName "Proxy Auth"

            AuthUserFile /var/www/syzygy-auth/CONFLUENCE/.htpasswd
 Require user
            ukuser
 Satisfy any
 Deny from all
 Allow from
            192.168.0.0/21
 

 ProxyPass /
            http://sub.domainx.co.uk:8090/
 ProxyPassReverse /
            http://sub.domainx.co.uk:8090/

The
above works fine.

I then went about setting up
mod_ssl on apache.

yum -y install
            mod_ssl

I
then uploaded my wildcard ssl and made the dollowing changes to
/etc/httpd/conf.d/ssl.conf

uncommented:
            
DocumentRoot
            "/var/www/html"
uncommented/updated:
ServerName
            www.server.world:443
SSLCertificateFile
            /etc/pki/tls/certs/server.crt
SSLCertificateKeyFile
            /etc/pki/tls/certs/server.key

These
changes appear to have had the desired effect.

I
can not view index.html via HTTPS and HTTP proxies the tomcat
server.

When I add an identical vhost but with
the port changed to 443 no changes take affect.

When I added SSLProxyEngine On apache would not
start.

I got the following in the
proxy error logs:

Fatal error
            initialising mod_ssl, exiting. See /var/log/proxy/domainx_prox_error_log for more
            information

Server should be SSL-aware but has no certificate
            configured

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class="normal">Answer

It turned
out there was already a vhost in ssl.conf that was overiding my settings. School boy
error.