1) Where I put my servlet classes and how can I invoke them from ofbiz hot-deploy/practice/
In tomcat I put my whole classes and libs in webapps/MyProject/WEB-INF/classes or lib
2) I developed one application with Java Servlet and Oracle. I hosted this on our dedicated server and its running well. If I want to add one module of ofbiz e.g. accounting to my this running application what I have to do
3) Tomcat hosting my application mentioned as (2) in the way that I configured apache with mod_jk to interact with tomcat + jkd 1.6 + Oracle XE