java.lang.NoClassDefFoundError: Could not initialize class Hibernate.util.HibernateUtil

Question

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?

possible duplicate of How to Solve java.lang.NoClassDefFoundError? (did you even google?) — Theolodis
– Theolodis, Commented Jul 15, 2014 at 9:06
@Theolodis Of course, I google. But it doesnot solve the problem. — St.Antario
– St.Antario, Commented Jul 15, 2014 at 9:10
So your path is corrected? You did add Hibernate to the project path? — Theolodis
– Theolodis, Commented Jul 15, 2014 at 9:14
1:1 copy of java.lang.NoClassDefFoundError: Could not initialize class org.com.hibernate.HibernateUtil — Theolodis
– Theolodis, Commented Jul 15, 2014 at 9:16
This link may help you stackoverflow.com/questions/7325579/… — Wundwin Born
– Wundwin Born, Commented Jul 15, 2014 at 9:24

lennon310 · Accepted Answer · 2014-11-30 19:59:14Z

4

i think you don't have mysql-connector.jar in your Classpath

edited Nov 30, 2014 at 19:59

lennon310

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answered Nov 30, 2014 at 19:40

yakup_y

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Comments

xrcwrn · Accepted Answer · 2014-11-22 08:22:08Z

1

This class first of all must be on your classpath. And then make sure that ProductDAOImpl ge the sessionFactory(to eventually provide the session) via HibernateUtil.getSessionFactory().

You are anyway free to define this class as a bean in you application context if you like to do so.

edited Nov 22, 2014 at 8:22

xrcwrn

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answered Jul 15, 2014 at 9:22

Puneetsri

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