Dear Mailing-list!
I've found the resource with the sample of hibernate application. (http://wiki.apache.org/cocoon/CocoonAndHibernateTutorial) But at the stage of installing the filter, which is said to be situated above the Servlet Configuration part, I've got a mistake of cocoon (the content of "web-app" element must match (::..)): <!-- Filter Configuration ========================================== --> <filter> <filter-name>OpenSessionInViewFilter</filter-name> <filter-class>org.apache.cocoon.hibernate.OpenSessionInViewFilter</filter-cl ass> </filter> <filter-mapping> <filter-name>OpenSessionInViewFilter</filter-name> <url-pattern>/languages/*</url-pattern> </filter-mapping> <!-- Servlet Configuration ========================================== --> ::.