could not initialize proxy - no Sessionorg.hibernate.LazyInitializationException: failed to lazily
2014-07-18 09:20
513 查看
hibernate lazy的问题
lazy的意义就是当你真正用的时候才会去数据库查询，而hibernate对数据库的查询依赖于hibernate的session，如果在查询之前session关闭了，就会有这个问题:)
两种方法，最笨，也是最方便的，将你的role设置lazy=false,这样的缺陷就是会有资源浪费
或者自己维护session的生命周期，也就是OpenSessionInFilter.
lazy的意义就是当你真正用的时候才会去数据库查询，而hibernate对数据库的查询依赖于hibernate的session，如果在查询之前session关闭了，就会有这个问题:)
两种方法，最笨，也是最方便的，将你的role设置lazy=false,这样的缺陷就是会有资源浪费
或者自己维护session的生命周期，也就是OpenSessionInFilter.
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
相关文章推荐
- org.hibernate.LazyInitializationException: could not initialize proxy - no Session
- 主外键关联取出主键时报错[org.hibernate.LazyInitializationException] could not initialize proxy - no Session
- 解决org.hibernate.LazyInitializationException: could not initialize proxy - no Session懒加载问题
- 解决org.hibernate.LazyInitializationException: could not initialize proxy - no Session at org.hibernat
- SSH - org.hibernate.LazyInitializationException: could not initialize proxy - no Session问题解决办法
- org.hibernate.LazyInitializationException: failed to lazily initialize no session or session was clo
- org.hibernate.LazyInitializationException: could not initialize proxy - no Session
- EntityManager的find()与getReference()的区别（org.hibernate.lazyinitializationexception could not initialize proxy no session）
- SSH项目常见异常处理之[org.hibernate.LazyInitializationException: could not initialize proxy - no Session]
- 解决org.hibernate.LazyInitializationException: could not initialize proxy - no Session懒载入问题
- org.hibernate.LazyInitializationException: could not initialize proxy - no Session懒加载问题
- SSH整合出现org.hibernate.LazyInitializationException: could not initialize proxy - no Session或者前台没有显示任何数据
- 解决org.hibernate.LazyInitializationException: could not initialize proxy - no Session问题
- Spring JPA Hibernate problem: LazyInitializationException: could not initialize proxy no session
- 出现org.hibernate.LazyInitializationException: could not initialize proxy - the owning Session was closed问题以及解决办法
- 懒加载异常org.hibernate.LazyInitializationException: could not initialize proxy - no 详解
- org.hibernate.LazyInitializationException: could not initialize proxy - no
- dubbo序列化，hibernate.LazyInitializationException could not initialize proxy - no Session懒加载异常的解决 转
- 懒加载异常org.hibernate.LazyInitializationException: could not initialize proxy - no
- 懒加载异常org.hibernate.LazyInitializationException: could not initialize proxy - no