书上总说Hibernate的session是线程不安全的，有没有人给个例子，让我运行一下，更直观

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书上总说Hibernate的session是线程不安全的，有没有人给个例子，让我运行一下，更直观5

书上总说Hibernate的session是线程不安全的，有没有人给个例子，让我运行一下，更直观

我session设置为类变量

public class AThread extends Thread{
	private static Session session;
	
	static {
		Configuration cfg = new Configuration().configure();
		ServiceRegistry serviceRegistry = new ServiceRegistryBuilder().applySettings(cfg.getProperties()).buildServiceRegistry();
		SessionFactory sf = cfg.buildSessionFactory(serviceRegistry);
		session = sf.openSession();
	}
	
	public AThread(String threadname) {
		super(threadname);
	}
	
	@Override
	public void run() {
		String threadname = this.currentThread().getName();
		User user1 = new User();
		user1.setName("["+threadname+"]user1");
		User user2 = new User();
		user2.setName("["+threadname+"]user2");
		session.beginTransaction();
		session.save(user1);
		session.save(user2);
		session.delete(user1);
		session.delete(user2);
		session.getTransaction().commit();
		session.close();
	}
}

Main类

public class TestMultiThread {
	
	@Test
	public void test1() throws InterruptedException{
		AThread at = new AThread("at");
		AThread bt = new AThread("bt");
		at.start();
		bt.start();
		at.join();
		bt.join();
	}
}

这样每次执行的结果都报错不一样，请问这样是不是说名多个线程共用一个session？大家有没有好的例子来描述session的非线程安全，让我运行一下，这样也更直观