hibernate 中使用视图问题

keerqin 2006-12-23 10:56:34

我在hibernate 中使用视图，在写视图类所对应的映射文件时，不知一对多映射是不是有什么特殊处理啊，获取set时没问题，只要对set操作就报错：

java.lang.ClassCastException
at org.hibernate.type.IntegerType.set(IntegerType.java:39)
at org.hibernate.type.NullableType.nullSafeSet(NullableType.java:62)
at org.hibernate.type.NullableType.nullSafeSet(NullableType.java:44)
at org.hibernate.type.ComponentType.nullSafeSet(ComponentType.java:191)
at org.hibernate.loader.Loader.bindPositionalParameters(Loader.java:1115)
at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1177)
at org.hibernate.loader.Loader.doQuery(Loader.java:390)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:218)
at org.hibernate.loader.Loader.loadCollection(Loader.java:1434)
at org.hibernate.loader.collection.OneToManyLoader.initialize(OneToManyLoader.java:111)
at org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:488)
at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:60)
at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1430)
at org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:176)
at org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:48)
at org.hibernate.collection.PersistentSet.iterator(PersistentSet.java:134)
at com.pure.dao.hibernate.NewsDAO$2.doInHibernate(NewsDAO.java:77)
at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:312)
at org.springframework.orm.hibernate3.HibernateTemplate.executeFind(HibernateTemplate.java:292)
at com.pure.dao.hibernate.NewsDAO.getList(NewsDAO.java:49)
at com.pure.business.service.NewsService.getList(NewsService.java:31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)

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