BIRT Viewer
The BIRT Viewer is a J2EE application that is designed to demonstrate the implementation of Report Engine API to execute reports in an online web application. For most basic uses, such as for small to medium size Intranet applications, this is an appropriate approach. The thing to keep in mind about the BIRT Web Viewer is that it is an example application. It can be used as a baseline for more sophisticated web applications that will implement the BIRT Report Engine API.
Installation of the BIRT viewer is documented at a number of places. The Eclipse BIRT website has some great tutorials at http://www.eclipse.org/birt/phoenix/deploy/viewerSetup.php and http://wiki.eclipse.org/BIRT/FAQ/Deployment.
This is also documented on my website in a series of articles, aimed at introducing people to BIRT (http://digiassn.blogspot.com/2005/10/birt-report-server-pt-2.html).
Let's not go into details about installing Apache Tomcat as this is covered in more depth in other locations, but we...