4
我使用Hibernate的4.1.8.Final/Spring 3.1和收到以下异常:在Hibernate select上导致这个NullPointerException的原因是什么?
java.lang.NullPointerException
at org.hibernate.event.internal.AbstractFlushingEventListener.prepareEntityFlushes(AbstractFlushin$
at org.hibernate.event.internal.AbstractFlushingEventListener.flushEverythingToExecutions(Abstract$
at org.hibernate.event.internal.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventLis$
at org.hibernate.internal.SessionImpl.autoFlushIfRequired(SessionImpl.java:1185)
at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1240)