<?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.jdbc.batch_size">0</property>
   <property name="hibernate.format_sql">false</property>
   <property name="hibernate.use_sql_comments">true</property>
   <property name="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</property>
   <property name="hibernate.cache.use_query_cache">true</property>

   <property name="hibernate.dialect">org.hibernate.dialect.SybaseDialect</property>

    <property name="current_session_context_class">jta</property>
    <property name="transaction.factory_class">org.hibernate.transaction.JTATransactionFactory</property>
    <property name="transaction.manager_lookup_class">org.hibernate.transaction.WeblogicTransactionManagerLookup</property>                                    
   <property name="hibernate.connection.datasource">jdbc/testDS</property>      
   <property name="hibernate.jndi.class">weblogic.jndi.WLInitialContextFactory</property>
   <property name="hibernate.jndi.url">t3://localhost:7022</property>
      
   <mapping class="TestClass"/>

</session-factory>

</hibernate-configuration>

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

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.AnnotationConfiguration;


public class HibernateJTATest
{
   public static void main(String[] args)
   {
      SessionFactory factory = new AnnotationConfiguration().configure()      
      .buildSessionFactory();

      Session session = factory.getCurrentSession();
      Transaction tx = session.beginTransaction();
      TestClass test = (TestClass)session.load(TestClass.class, new Long(1));
      tx.commit();
      session.close();
   }
}

@Entity
@Table(name="Test_table")
class TestClass
{
   Long id;
   String name;
   
   @Id
   public Long getId()
   {
      return id;
   }
   public void setId(Long id)
   {
      this.id = id;
   }
   public String getName()
   {
      return name;
   }
   public void setName(String name)
   {
      this.name = name;
   }
}