The following is my HibernateUtil class:
package Hibernate.util;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.SessionFactory;
public class HibernateUtil {
    private static final SessionFactory sessionFactory;
    static {
        try {
            // Create the SessionFactory from standard (hibernate.cfg.xml) 
            // config file.
            sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();
        } catch (Throwable ex) {
            // Log the exception. 
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }
    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }
}
My controller:
package Controllers;
import DAOImpl.ProductDAOImpl;
import Entities.Product;
import java.sql.SQLException;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class ProductController {
    @RequestMapping("/products.htm")
    public String getAllProducts() throws SQLException
    {
        ProductDAOImpl mapping = new ProductDAOImpl();
        Product p = new Product();
        p.setCost(1000);
        p.setName("Саморезы");
        mapping.addProduct(p);
        return "index";
    }
}
But when I run web-app I have excpetion:
java.lang.NoClassDefFoundError: Could not initialize class Hibernate.util.HibernateUtil
    DAOImpl.ProductDAOImpl.addProduct(ProductDAOImpl.java:24)
    Controllers.ProductController.getAllProducts(ProductController.java:20)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:606)
    org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:175)
    org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:446)
    org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:434)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52
Any Idea? Might HibernateUtil must be registered in any place?
 
     
     
     
    