Apache Tomcat implements the Java Servlet and the JavaServer Pages (JSP)
specifications from Sun Microsystems, and provides a "pure Java" HTTP
web server environment for Java code to run.
Apache Tomcat 7 implements the Java Servlet 3.0 and JSP 2.0 specification
from Sun Microsystems/Oracle and provides a pure Java HTTP web server.
This is for a Veristorm Enterprise proof of concept. This charm is a trusty
version of cs:~robert-ayres/precise/tomcat-4, which is needed for its
pgsql relation capabilities. Unless you're involved with Veristorm Enterprise,
you probably don't want this. Use a recommended Tomcat charm instead.