异常1:not-null property references a null or transient value
解决方法:将“一对多”关系中的“一”方,not-null设置为false
(参考资料:http://www.thearcmind.com/confluence/pages/viewpage.action?pageId=212)

异常2:org.hibernate.TransientObjectException: object references an unsaved transient instance
解决方法:cascade="save-update,persist"
(参考资料:http://www.laliluna.de/254.html)

异常3:org.hibernate.QueryException: could not resolve property
解决方法:"from Category category where category.userID = :userID"修改为"from Category category where userID = :userID"或者"from Category category where category.user.id = :userID"
(参考资料:http://www.laliluna.de/277.html)

异常4:could not initialize proxy - the owning Session was closed
解决方法:设置lazyfalse
(参考资料:http://forum.springframework.org/showthread.php?t=27993)
评论
发表评论

您还没有登录,请登录后发表评论

hejianjie
  • 浏览: 15186 次
  • 性别: Icon_minigender_1
  • 来自: 湖南长沙
  • 详细资料
搜索本博客
最近加入圈子
存档
最新评论