冰峪的死角

[code="sql"]正确:Update Cat t set t.birthday=? where t.id = ?t.setTimestamp(0,new Date());错误：Update Cat t set t.birthday=new Date() where t.id = ?[/code]

object references an unsaved transient instance - save the transient instance before flushing: cn.com.pattek.rtcap.tpltmgr.entity.BaseCategory; nested exception is org.hibernate.TransientObjectExcepti...