JBoss AS 7 Development

Web application clustering

Web application clustering involves two aspects: setting up an HTTP load balancer, and telling JBoss to make the application's user sessions HA. How to do the former depends on what load balancer you choose (mod_cluster is our suggested choice); the latter could not be simpler—just add the <distributable/> tag to your application's web.xml file.

Let's see in concrete how to pursue both steps.

Load balancing your web applications

You have several choices available in order to achieve load balancing of your HTTP requests; you can opt for a hardware load balancer that sits in front of your cluster of servers, or you can choose from the many available software solutions for JBoss AS, which include the following:

• Use ApacheTomcat's ...