ZK - Open Source Ajax Java Framework

Good afternoon

I am installing Hibernate to use it with my application, I have followed all the steps for installation, but when I compile the class EventDAO.java generated the following errors:

Not that I'm doing wrong, I've reviewed 3 times, if anyone can advise me I appreciate it. Happy late

Errors:

C:\Program Files (x86)\Apache Software Foundation\Tomcat 6.0\webapps\planeta-docs\WEB-INF\class\events>javac EventDAO.java

EventDAO.java:6: error: package org.hibernate does not exist
import org.hibernate.Session;
^
EventDAO.java:7: error: package org.zkoss.zkplus.hibernate does not exist
import org.zkoss.zkplus.hibernate.HibernateUtil;
^
EventDAO.java:10: error: cannot find symbol
Session currentSession() {
^
symbol: class Session
location: class EventDAO
EventDAO.java:13: error: cannot find symbol
public void saveOrUpdate(Event anEvent, String title, Date date) {
^
symbol: class Event
location: class EventDAO
EventDAO.java:19: error: cannot find symbol
public void delete(Event anEvent) {
^
symbol: class Event
location: class EventDAO
EventDAO.java:23: error: cannot find symbol
public Event findById(Long id) {
^
symbol: class Event
location: class EventDAO
EventDAO.java:11: error: cannot find symbol
return HibernateUtil.currentSession();
^
symbol: variable HibernateUtil
location: class EventDAO
EventDAO.java:14: error: cannot find symbol
Session sess = currentSession();
^
symbol: class Session
location: class EventDAO
EventDAO.java:20: error: cannot find symbol
Session sess = currentSession();
^
symbol: class Session
location: class EventDAO
EventDAO.java:24: error: cannot find symbol
Session sess = currentSession();
^
symbol: class Session
location: class EventDAO
EventDAO.java:25: error: cannot find symbol
return (Event) sess.load(Event.class, id);
^
symbol: class Event
location: class EventDAO
EventDAO.java:25: error: cannot find symbol
return (Event) sess.load(Event.class, id);
^
symbol: class Event
location: class EventDAO
EventDAO.java:28: error: cannot find symbol
Session sess = currentSession();
^
symbol: class Session
location: class EventDAO
13 errors

EventDAO.java:6: error: package org.hibernate does not exist
import org.hibernate.Session;

==> apparently you're missing all the lib.

be sure they are in the WEB-INF\lib folder.