SessionFactory

问题：Session session=factory.getCurrentSession();获得session的时候出错！还是那里除了问题，我也不太清楚了，帮忙看下 谢谢！
Caused by: java.lang.NullPointerException
import java.util.Iterator;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
//import org.hibernate.cfg.Configuration;

import po.Toperator;

public class LoginDAOImp implements ILoginDAO {
// hibernate SessionFactory对象，由spring注入．
private SessionFactory factory;

// get/set方法在spring注入时使用
public SessionFactory getFactory() {
return factory;
}

public void setFactory(SessionFactory factory) {
this.factory = factory;
}

// 判断是操作员是否存在
public Toperator isOperator(String operatorName, String operatorPwd) {
Session session=factory.getCurrentSession();
Query query = session
.createQuery("from Tope

SessionFactory %%%% Error Creating SessionFactory %%%% hibernate中关于sessionFactory中session方法问题