Linux Hint published a tutorial about how to configure mod_jk in Apache HTTP server.
How to Configure mod_jk in Apache HTTP Server
Mod_jk is an Apache module or connector that connects the Apache Tomcat Servlet container with web servers. The mod_jk is a complete replacement of the older mod_jser module that handles communication between Tomcat and HTTP servers using Apache JServ Protocol. How to Configure mod_jk in Apache HTTP Server is explained in this article.