Hibernate 冬眠虫?错误处理结果列,查询数据库中不存在的ID

Hibernate 冬眠虫?错误处理结果列,查询数据库中不存在的ID,hibernate,jpa,foreign-keys,fetch,Hibernate,Jpa,Foreign Keys,Fetch,我观察到一种奇怪的冬眠行为 我有一个实体图,如中所述 然后我询问这个模型: this.em.createQuery("SELECT rel FROM Release rel " + " LEFT JOIN FETCH rel.product pr " + " LEFT JOIN FETCH pr.customFields " + " LEFT JOIN FETCH rel.customFields "

我观察到一种奇怪的冬眠行为

我有一个实体图,如中所述

然后我询问这个模型:

this.em.createQuery("SELECT rel FROM Release rel "
            + " LEFT JOIN FETCH rel.product pr "
            + "   LEFT JOIN FETCH pr.customFields "
            + " LEFT JOIN FETCH rel.customFields "
            + (withDeps ? " LEFT JOIN FETCH rel.deps" : "")
            + " WHERE rel.product.name = ?1 AND rel.version = ?2", Release.class)
            .setParameter(1, prodName)
            .setParameter(2, version)
            .getSingleResult();
Hibernate将此转换为两个查询:

select release0_.id as rel, product1_.id as prod, customfiel2_.id as prodCF, customfiel3_.id as relCF,  
release0_.product_id as rel_prod, ...
from `release` release0_  
left outer join product product1_ on release0_.product_id=product1_.id  
left outer join prod_custField customfiel2_ on product1_.id=customfiel2_.product_id  
left outer join rel_custField customfiel3_ on release0_.id=customfiel3_.release_id  
cross join product product4_  
where release0_.product_id=product4_.id and product4_.name='EAP' and release0_.version='6.0.1.GA'
返回

‘1’、‘1’、‘3’、‘2’、‘1’、‘4’、

然后

select productcus0_.id as id59_0_, productcus0_.label as label59_0_, productcus0_.name as name59_0_ from prod_custField productcus0_ where productcus0_.id=1;
问题是Hibernate加载id为“1”的ProductCustomField,这是一个bug,因为返回的列都没有引用PCF;有一个ID“1”对应于ReleaseCustomField

以下是减去不相关文本字段后的结果:

{
    'rel' : 1,
    'prod' : 1,
    'prodCF' : 3,
    'relCF' : 2,
    'rel_prodid' : 1,
    'status' : 4,
    'prodCFname' : 'jarRpmLic',
    'prodCF_prodid' : 1,
    'prodCF_id' : 3,
    'prodCF_name' : 'jarRpmLic',
    'relCF_id' : 1,
    'relCF_name' : 'eapCustField1',
    'relCF_relid' : 1,
    'relCF_val' : 'wdqdwqwdqd',
    'relCF_relID' : 1,
    'relCF_id' : 2,
    'relCF_name' : 'eapCustField1'
}
如您所见,ProductCustomField唯一可用的值是3

这是虫子吗?我应该如何验证?解决办法是什么?我考虑使用一些Hibernate特定的@获取策略,或者部分地注水实体,并通过另一个DAO调用手动加载其他集合。

堆栈跟踪:

javax.persistence.EntityNotFoundException: Unable to find org.jboss.essc.web.model.ProductCustomField with id 1
 at org.hibernate.ejb.Ejb3Configuration$Ejb3EntityNotFoundDelegate.handleEntityNotFound(Ejb3Configuration.java:155)
 at org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:210)
 at org.hibernate.event.internal.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:260)
 at org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:148)
 at org.hibernate.internal.SessionImpl.fireLoad(SessionImpl.java:1079)
 at org.hibernate.internal.SessionImpl.internalLoad(SessionImpl.java:1006)
 at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:613)
 at org.hibernate.type.EntityType.resolve(EntityType.java:441)
 at org.hibernate.engine.internal.TwoPhaseLoad.doInitializeEntity(TwoPhaseLoad.java:168)
 at org.hibernate.engine.internal.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:134)
 at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:999)
 at org.hibernate.loader.Loader.doQuery(Loader.java:878)
 at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:293)
 at org.hibernate.loader.Loader.doList(Loader.java:2382)
 at org.hibernate.loader.Loader.doList(Loader.java:2368)
 at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2198)
 at org.hibernate.loader.Loader.list(Loader.java:2193)
 at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:470)
 at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:355)
 at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:195)
 at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1248)
 at org.hibernate.internal.QueryImpl.list(QueryImpl.java:101)
 at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:285)

结果证明是由HHH-6361和HHH-7928引起的,我忽略了不一致的数据。 我相信FK约束会警告我,但具体的约束不见了

HHH-6361
将分离的实体合并到persistencecontext后,收集事件可能包含错误的存储快照