java.lang.NullPointerException
   at org.springframework.orm.hibernate3.support.HibernateDaoSupport.getSession(HibernateDaoSupport.java:140)
   at com.uk.DaoImpl.Operations.save(Operations.java:9)
   at com.uk.client.Client.main(Client.java:19)

package com.uk.DaoImpl;

import com.uk.Model.Person;

public class [b]Operations[/b] extends [b]BaseHibernateDAO[/b] {

   public void save(Person person) {
      try {
         getSession().save(person);//THE PROBLEM IS HERE,RETURNING NULL.

      } catch (RuntimeException re) {
         System.out.println("catch...");
         re.printStackTrace();

      }

   }
}

package com.uk.DaoImpl;

import java.io.Serializable;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.orm.ObjectRetrievalFailureException;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

public class [b]BaseHibernateDAO [/b]extends [b]HibernateDaoSupport [/b]implements
      IBaseHibernateDAO {

   protected final Log log = LogFactory.getLog(getClass());

   /**
    * @see org.appfuse.dao.Dao#saveObject(java.lang.Object)
    */
   public void saveObject(Object o) {
   
      getHibernateTemplate().saveOrUpdate(o);
      
   }

   /**
    * @see org.appfuse.dao.Dao#getObject(java.lang.Class, java.io.Serializable)
    */
   @SuppressWarnings("unchecked")
   public Object getObject(Class clazz, Serializable id) {
      Object o = getHibernateTemplate().get(clazz, id);

      if (o == null) {
         throw new ObjectRetrievalFailureException(clazz, id);
      }

      return o;
   }

   /**
    * @see org.appfuse.dao.Dao#getObjects(java.lang.Class)
    */
   @SuppressWarnings("unchecked")
   public List getObjects(Class clazz) {
      return getHibernateTemplate().loadAll(clazz);
   }

   /**
    * @see org.appfuse.dao.Dao#removeObject(java.lang.Class,
    *      java.io.Serializable)
    */
   @SuppressWarnings("unchecked")
   public void removeObject(Class clazz, Serializable id) {
      getHibernateTemplate().delete(getObject(clazz, id));
   }
}

package com.uk.client;

import com.uk.DaoImpl.BaseHibernateDAO;
import com.uk.DaoImpl.Operations;
import com.uk.Model.Person;

public class [b]Client [/b]extends [b]BaseHibernateDAO [/b]{

   /**
    * @param args
    */
   public static void main(String[] args) {

      Person person = new Person();
      person.setName("shivam");
      person.setAge(85);

      Operations operation = new Operations();
      operation.save(person);
   }

}

<?xml version="1.0" encoding="UTF-8"?>
<beans
   xmlns="http://www.springframework.org/schema/beans"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">


   <bean id="dataSource"
      class="org.apache.commons.dbcp.BasicDataSource">
      <property name="driverClassName"
         value="com.mysql.jdbc.Driver">
      </property>
      <property name="url"
         value="jdbc:mysql://localhost:3306/shivam">
      </property>
      <property name="username" value="root"></property>
      <property name="password" value="root"></property>
   </bean>
   
   <bean id="sessionFactory"
      class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
      <property name="dataSource">
         <ref bean="dataSource" />
      </property>
      <property name="hibernateProperties">
         <props>
            <prop key="hibernate.dialect">
               org.hibernate.dialect.MySQLDialect
            </prop>
         </props>
      </property>
   </bean></beans>