i am tryiing to connect hibernate to tomcat and anyone of the online documentaion doesnt seems to help me. If someone who has already done it can please guide me it would be great.

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Hibernate version:

Mapping documents:

Code between sessionFactory.openSession() and session.close():

Full stack trace of any exception that occurs:

Name and version of the database you are using:

The generated SQL (show_sql=true):

Debug level Hibernate log excerpt:

http://www.hibernate.org/42.html
http://www.hibernate.org/43.html
http://www.hibernate.org/114.html

I am not sure how does this links help me in installing tomcat with hibernate

Well probably I do not understand what you are trying to accomplish. Please describe what exactly you want to get done.

I amtrying to integrate tomcat with hibernate

I am making a project titled as online examination module for the middle layer which access the data layer I wanted to implememt hibernate in that. But the problem arises when I am integrating hibernate with tomcat and none of the online tutorial seems to help me. I am not able to understand the part server.xml

Well, you need to create a standard web application (WAR) that will use Hibernate for ORM and deploy it on Tomcat.
There is nothing Tomcat specific about it.

Server.xml is Tomcat’s configuration file but you do not need to change it at all usually, except when want to define global resources there like data sources and mail sessions.