日期:2014-05-17  浏览次数:20867 次

hibernate获取SessionFactory失败 咋办?
如题 代码:
Java code

package com.test.tree.client;

import org.hibernate.cfg.Configuration;
import org.hibernate.Session;
import org.hibernate.SessionFactory;

import com.test.pojo.Book;

public class HibernateTest
{
    public static void main(String[] args)
    {
        Configuration cfg = new Configuration().configure();
        
        SessionFactory factory = cfg.buildSessionFactory();
        
        Session session = factory.openSession();;
        
        session.beginTransaction();
        
        Book book  = new Book();
        book.setBook_name("轻量级JavaEE企业应用实战");
        book.setBook_editor("李刚");
        book.setBook_pub("电子工业出版社");
        book.setBook_price((float) 99.00);
        
        session.save(book);
        session.getTransaction().commit();
        
    }

}





错误代码:
Exception in thread "main" java.lang.NullPointerException
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:169)
at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2833)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2829)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1840)
at com.test.tree.client.HibernateTest.main(HibernateTest.java:15)


为啥获取不到sessionfactory呢?

------解决方案--------------------
很有可能跟你的JAR包有关,看一下
------解决方案--------------------
很有可能是你的hibernate配置文件里面有错误
------解决方案--------------------
Configuration cfg = new Configuration();
SessionFactory sf =cfg.configure().buildSessionFactory();

这样试试看