BTSoru.com projesini modellerken aşağıdaki hata ile karşılaştım:
org.hibernate.HibernateException: Illegal attempt to associate a collection with two open sessions
at bt.btsoru.application.manager.question.facade.QuestionManagerImpl.addQuestion(QuestionManagerImpl.java:57)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)