Image via Wikipedia Once you configured your java application server and apache everything is fine until you want to host your another domain at the same server.
Image via Wikipedia There are three standard port types for a single tomcat configuration: HTTP: (default:8080) your http connector AJP :(default: 8009) tomcat ajp connection port SHUTDOWN (default:8109 ): tomcat shutdown command listener port HTTPS (default: 8443/optional): tomcat https port listener
running multiple tomcat by using a single catalina_base and catalina_home this will make it easy to manage server management to use only one tomcat setup instance download tomcat-6+ and unpack it. and modify two configuration file under conf
Complete guide for apache-http server load balancing via mod_proxy and some performance enhancements required modules: proxy_module proxy_ajp_module proxy_balancer_module