Please solve the problem


hibernate-cfg.xml:


<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.bytecode.use_reflection_optimizer">false</property>
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.password"></property>
<property name="hibernate.connection.url">jdbc:mysql://172.18.226.38:3306/hibernate</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<mapping class="net.roseindia.Product"/>

</session-factory>
</hibernate-configuration>


Product.java:

package net.roseindia;

// Generated May 18, 2009 7:40:50 PM by Hibernate Tools 3.2.4.GA

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

/**
* Product generated by hbm2java
*/
@Entity
@Table(name = "product", catalog = "hibernate")
public class Product implements java.io.Serializable {

private int prodid;
private String prodname;
private float prodprice;

public Product() {
}

public Product(int prodid, String prodname, float prodprice) {
this.prodid = prodid;
this.prodname = prodname;
this.prodprice = prodprice;
}

@Id
@Column(name = "PRODID", unique = true, nullable = false)
public int getProdid() {
return this.prodid;
}

public void setProdid(int prodid) {
this.prodid = prodid;
}

@Column(name = "PRODNAME", nullable = false, length = 15)
public String getProdname() {
return this.prodname;
}

public void setProdname(String prodname) {
this.prodname = prodname;
}

@Column(name = "PRODPRICE", nullable = false, precision = 12, scale = 0)
public float getProdprice() {
return this.prodprice;
}

public void setProdprice(float prodprice) {
this.prodprice = prodprice;
}

}


ProductData.java

package net.roseindia;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import net.roseindia.Product;
import org.hibernate.util.*;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.cfg.Configuration;


public class ProductData {


public static void main(String[] args)throws Exception {
// TODO Auto-generated method stub
/** Getting the Session Factory and session */
AnnotationConfiguration config =
new AnnotationConfiguration();
config.addAnnotatedClass(net.roseindia.Product.class);
config.configure();

/*The SessionFactory is obtained
through the config object*/
SessionFactory factory =
config.buildSessionFactory();
Session session=factory.openSession();
Transaction tx=session.beginTransaction();

/** Creating Pojo */
Product pojo = new Product();
pojo.setProdid(new Integer(5));
pojo.setProdname("XYZ");
/** Saving POJO */
session.save(pojo);
/** Commiting the changes */
tx.commit();
System.out.println("Record Inserted");
/** Closing Session */
session.close();
}

}


I am getting error like this:

Exception in thread "main" java.lang.NoSuchMethodError: org.hibernate.util.ReflectHelper.classForName(Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/Class;
at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:752)
at net.roseindia.ProductData.main(ProductData.java:30)

You are probably mixing incompatible versions of hibernate core and annotations.