Binary package “libapache2-mod-jk” in ubuntu precise

Apache 2 connector for the Tomcat Java servlet engine

 Apache Tomcat is the reference implementation for the Java Servlet and
 JavaServer Pages (JSP) specification from the Apache Jakarta project.
 .
 This package contains an Apache 2 module (mod_jk) to forward requests
 from Apache to Tomcat using the AJP 1.3 or 1.4 protocol. It can either
 talk to Tomcat on the local machine or to a remote engine using TCP.