HibernateSession , Transaction 研究

HibernateSession





Session1 is same as Session2, Transaction is same as Transaction2

Session1 is not same as Session2, Transaction1 is not same as Transaction2


Illegal attempt to associate a collection with two open sessions

importStatus is retrieved via session1.

If using session2 to update or save importStatus without closing session1, you will get Illegal attempt to associate a collection with two open sessions Exception.