当安插、更新不了数据时用事务来操作

当插入、更新不了数据时用事务来操作
public void updateOrder(){
           try {
           Transaction tx = session.beginTransaction();
           Order user = this.get(1);
       
          order.status(1);
           session.update(user);
           session.flush();
           tx.commit();
           } catch (HibernateException e) {
           e.printStackTrace();
           Assert.fail(e.getMessage());
           }
           }