title: mod_proxy/mod_proxy_ajp logging
body: <p>I'm trying to log mod_proxy requests to separate logs to identify that its forwarding requests to which tomcat server.</p>
  
  <p><em>VirtualHost Configuration:</em></p>
  
  <pre><code>LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
  &lt;Proxy balancer://appcluster&gt;
          BalancerMember ajp://192.168.1.1:8009/ route=tomcat01 keepalive=on retry=300 ttl=30
          BalancerMember ajp://192.168.1.2:8009/ route=tomcat01 keepalive=on retry=300 ttl=30
  &lt;/Proxy&gt;
  
  NameVirtualHost *:80
  
  &lt;VirtualHost *:80&gt;
   ServerName xyz.abc.com
   DocumentRoot /www
   ErrorLog logs/app_stg-error_log
   TransferLog logs/app_stg-access_log
   ProxyPass / balancer://appcluster/app_stg/ stickysession=JSESSIONID|jsessionid
   ProxyPassReverse / balancer://appcluster/app_stg/
  &lt;/VirtualHost&gt;
  </code></pre>
  
  <p>I want to log on which Balancer Member my request has been forwarded.</p>