Query query =session.createSQLQuery(hql)查询时出现空指针异常

Query query = session.createSQLQuery(sql); return query.list(); } catch...我该HQL还是错。。 追答: 把你的session打印出来看看是不是空的啊 追问: ...

摘要: hql查询时出现空指针异常代码:publicBookfindByBookNo(StringbookNo)...Query query =session.createSQLQuery(hql); query.setString("bookNo",...

在用Hibernate进行数据关联查询时总是出现空指针异常, public List queryAll()...Query q = this.session.createQuery(hql); all = q.list(); this.session...

Query query = session.createQuery(hql); //该方法阻塞,不报异常...把session.createQuery(hql)改成session.createSQLQuery(sql)则可以完美运行。。...

query=s.createQuery(sql); System.out.println("end:"); List lt=query.list...可能s根本就是个空指针,也可能s是个关闭了的session, 或者其它的不正常的 ....

近日老领导让我看看之前的系统不能登陆了,我查了查卡在了hibernate查询Session.CreateQuery(hql)那里,直接跳到finally内,连catch都没进去,感觉很奇怪,于是问了问...

当我们用HQL进行子查询的时候,如select * from Tree where pid in (select ...Query query = session.createSQLQuery("select id,name from Tree t where pid...

System.out.println(hql);//这点可以取到hql语句 throws HibernateException, SQLException { Query query = session.createQuery(hql); //该方法阻塞,不报异常 ...

List l=session.createQuery("from Test").list(); } catch (Exception ex)...at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:137...

Query query = session.createQuery(hql); //该方法阻塞,不报异常 System.out...把session.createQuery(hql)改成session.createSQLQuery(sql)则可以完美运行。。...