Hmm, I am wondering which doc did you refer to, and did not think the current geronimo-web.xml will work in Geronimo 2.1.*.
For the virtual host in Geronimo 2.2.*,  the doc url is
If you really would like to use container-config to configure the virtual host, the namespace should be corrected,
xmlns="">   <---    <tomcat xmlns="">

2012/1/24 Radim Kolar <>
> I started with 2.2, tried 2.1 and tried standalone Tomcat 6.
In 2.1 virtual hosts works, follow documentation on website.