Problemas com DaoInterceptor

Prezados,

Estou com problema ao ultilizar o DaoInterceptor criei todas as classes baseados na apostila da caelum. Criei um arquivo chamado lista.ok.jsp onde o mesmo vai listar todos os usuários do banco porém esta acontecendo o seguinte erro:

javax.servlet.ServletException: Unable to instantiate using public Logic.DaoInterceptor()
org.vraptor.VRaptorServlet.service(VRaptorServlet.java:81)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause

org.vraptor.interceptor.InterceptorInstantiationException: Unable to instantiate using public Logic.DaoInterceptor()
org.vraptor.interceptor.InterceptorDealer.poll(InterceptorDealer.java:68)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:58)
org.vraptor.interceptor.FlashScopeInterceptor.intercept(FlashScopeInterceptor.java:22)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:72)
org.vraptor.interceptor.RegisterAttributesInteceptor.intercept(RegisterAttributesInteceptor.java:38)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:72)
org.vraptor.core.VRaptorExecution.execute(VRaptorExecution.java:90)
org.vraptor.core.DefaultController.execute(DefaultController.java:42)
org.vraptor.VRaptorServlet.service(VRaptorServlet.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause

org.vraptor.component.ComponentInstantiationException: Unable to instantiate using public Logic.DaoInterceptor()
org.vraptor.component.ComponentConstructor.newInstance(ComponentConstructor.java:45)
org.vraptor.interceptor.InterceptorType.newInstance(InterceptorType.java:66)
org.vraptor.interceptor.InterceptorDealer.poll(InterceptorDealer.java:62)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:58)
org.vraptor.interceptor.FlashScopeInterceptor.intercept(FlashScopeInterceptor.java:22)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:72)
org.vraptor.interceptor.RegisterAttributesInteceptor.intercept(RegisterAttributesInteceptor.java:38)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:72)
org.vraptor.core.VRaptorExecution.execute(VRaptorExecution.java:90)
org.vraptor.core.DefaultController.execute(DefaultController.java:42)
org.vraptor.VRaptorServlet.service(VRaptorServlet.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause

java.lang.reflect.InvocationTargetException
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
java.lang.reflect.Constructor.newInstance(Unknown Source)
org.vraptor.component.ComponentConstructor.newInstance(ComponentConstructor.java:43)
org.vraptor.interceptor.InterceptorType.newInstance(InterceptorType.java:66)
org.vraptor.interceptor.InterceptorDealer.poll(InterceptorDealer.java:62)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:58)
org.vraptor.interceptor.FlashScopeInterceptor.intercept(FlashScopeInterceptor.java:22)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:72)
org.vraptor.interceptor.RegisterAttributesInteceptor.intercept(RegisterAttributesInteceptor.java:38)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:72)
org.vraptor.core.VRaptorExecution.execute(VRaptorExecution.java:90)
org.vraptor.core.DefaultController.execute(DefaultController.java:42)
org.vraptor.VRaptorServlet.service(VRaptorServlet.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause

java.lang.NoClassDefFoundError: Could not initialize class DAO.HibernateUtil
DAO.DaoFactory.(DaoFactory.java:11)
Logic.DaoInterceptor.(DaoInterceptor.java:9)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
java.lang.reflect.Constructor.newInstance(Unknown Source)
org.vraptor.component.ComponentConstructor.newInstance(ComponentConstructor.java:43)
org.vraptor.interceptor.InterceptorType.newInstance(InterceptorType.java:66)
org.vraptor.interceptor.InterceptorDealer.poll(InterceptorDealer.java:62)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:58)
org.vraptor.interceptor.FlashScopeInterceptor.intercept(FlashScopeInterceptor.java:22)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:72)
org.vraptor.interceptor.RegisterAttributesInteceptor.intercept(RegisterAttributesInteceptor.java:38)
org.vraptor.core.InterceptorsLogicFlow.execute(InterceptorsLogicFlow.java:72)
org.vraptor.core.VRaptorExecution.execute(VRaptorExecution.java:90)
org.vraptor.core.DefaultController.execute(DefaultController.java:42)
org.vraptor.VRaptorServlet.service(VRaptorServlet.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

Alguem pode me ajudar ae!!!