5
我正在使用Hibernate和EntityManager。當我使用Hibernate java.lang.ClassCastException:org.hibernate.action.EntityIdentityInsertAction無法轉換爲org.hibernate.action.EntityInsertAction
Session session = (Session)entityManager.getDelegate();
session.flush();
session.clear();
我得到
java.lang.ClassCastException: org.hibernate.action.EntityIdentityInsertAction cannot be cast to org.hibernate.action.EntityInsertAction
at org.hibernate.engine.ActionQueue$InsertActionSorter.sort(ActionQueue.java:636)
at org.hibernate.engine.ActionQueue.sortInsertActions(ActionQueue.java:369)
at org.hibernate.engine.ActionQueue.sortActions(ActionQueue.java:355)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:224)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1216)
因爲它並沒有說哪一個實體引起該問題,我卡在這裏。有沒有人有一個想法是什麼會導致這種情況?