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);
}
}
2016-04-12
肯定是哪里沒(méi)有初始化