Originally posted on October 25th, 2006 on another blog.
If you are “developing” something with documentum and when using the preview function, the first time you see all images and css and the next ones no, and searching you discover that tomcat says to you 401 Unauthorized for the required resources; you will have to install the virtual link module when you install the web publisher. Unistall web publisher and install again with the required module (should be the default).
If you want to use that module on a websphere (>=5.x) cluster, it will raise a lot of errors and cannot be installed; so no preview. 🙂