The Web container in a Geronimo server is an integrated Tomcat/Jetty server. You can configure the embedded web container by using different GBeans. This can be done either from Console or via editing configuration files.

Starting from v2.2, Geronimo leverages server.xml from Tomcat for ease usability. Configurations to Web listeners, Clustering and Tomcat Enginee can be achieved through the same process as for a standalone Tomcat Web container. While, for configurations such as Valves, virtual hosts, JNDI and so on, you will use the GBean approach just like in Geronimo v2.1.

• Adding new listeners — From this portlet you can add new listeners and change the status (stop, start, delete) of the existing connectors.
• Configuring session manager of Tomcat — you can swap inactive sessions to a file or just forget them. You can keep a certain number of sessions in main memory configurable via System configuration as followed.
• Configuring virtual host — Geronimo provides different distribution with Web Contaniner such as Tomcat and Jetty, you may look into the following pages to learn how to configure virtual host together with Geronimo.
• Managing Valve