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Struts+hibernate運(yùn)行junit4時(shí)運(yùn)行出錯(cuò)java.lang.NullPointerException

package entity;


import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.cfg.Configuration;

import org.hibernate.service.ServiceRegistry;

import org.hibernate.service.ServiceRegistryBuilder;

import org.hibernate.tool.hbm2ddl.SchemaExport;

import org.junit.Test;


public class TestStudents {

@Test

public void testSchemExport()

{

//創(chuàng)建配置對(duì)象

Configuration config=new Configuration().configure();

//創(chuàng)建服務(wù)注冊(cè)對(duì)象

ServiceRegistry serviceRegistry=new ServiceRegistryBuilder().applySettings(config.getProperties()).buildServiceRegistry();

//創(chuàng)建SessionFactory

SessionFactory sessionFactory=config.buildSessionFactory(serviceRegistry);

//創(chuàng)建session對(duì)象

Session session=sessionFactory.getCurrentSession();

//創(chuàng)建SchemaExport對(duì)象

SchemaExport export=new SchemaExport(config);

export.create(true, true);

}

}


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1 回答

肯定是哪里沒(méi)有初始化

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Struts+hibernate運(yùn)行junit4時(shí)運(yùn)行出錯(cuò)java.lang.NullPointerException

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