1. Hibernate WrongClassException / Sets / Discriminators? stackoverflow.comThe problem looks like this:
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2. WrongClassException - ? forum.hibernate.orgHello all. When I try to execute the following query, Hibernate throws WrongClassException: "from my.Item item where item.someProperty is not null" The Item-related classes are arranged in such way: my.Item my.CatalogueItem extends my.Item my.FullItem extends my.CatalogueItem my.PriceItem extends my.Item All these four classes point to one table and no discriminators are used. I realise it's wrong, but question is not about ... |
3. WrongClassException forum.hibernate.orgHello. Please take a look at my mapping. I've always get a WrongClassException: 10:34:14,760 WARN [ProjektHelperImpl] Projekt 2 nicht gefunden net.sf.hibernate.WrongClassException: Object with id: 2 was not of the specified subclass: PlanKostenImpl (loaded object was of wrong class) |
4. WrongClassException forum.hibernate.orgNewbie Joined: Thu Jun 03, 2004 10:29 am Posts: 13 Hibernate version:2.1.6 From what you hopefully can see here, I have AudioItems that have collections of Engineers, Producers, etc. These person type objects are all joined subclasses of BasicPerson. So when I try to get the item, I get the WrongClassException. I suspect that once it sees a PK from BasicPerson, ... |
5. WrongClassException forum.hibernate.orgThis is a weird one, does anyone have any idea what could be causing this? I'm running Hibernate 2.1.6 against Postgres 7.4 Link has a many-to-one relation to Content. There are many subclasses of content (Page, Comment, etc), but the relation is defined as beeing to the Content superclass. The problem occurs when I do a simple query that pulls back ... |
6. net.sf.hibernate.WrongClassException forum.hibernate.orgFull stack trace of any exception that occurs:net.sf.hibernate.WrongClassException: Object with id: 1 was not of the specified subclass: WsUserGroup (loaded object was of wrong class) at net.sf.hibernate.loader.Loader.instanceAlreadyLoaded(Loader.java:300) at net.sf.hibernate.loader.Loader.getRow(Loader.java:278) at net.sf.hibernate.loader.Loader.doFind(Loader.java:159) at net.sf.hibernate.loader.Loader.loadCollection(Loader.java:602) at net.sf.hibernate.loader.OneToManyLoader.initialize(OneToManyLoader.java:102) at net.sf.hibernate.impl.SessionImpl.initialize(SessionImpl.java:2897) at net.sf.hibernate.collection.PersistentCollection.getInitialValue(PersistentCollection.java:128) at net.sf.hibernate.type.PersistentCollectionType.getCollection(PersistentCollectionType.java:74) at net.sf.hibernate.type.PersistentCollectionType.resolveIdentifier(PersistentCollectionType.java:177) at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:1959) at net.sf.hibernate.loader.Loader.doFind(Loader.java:196) at net.sf.hibernate.loader.Loader.loadCollection(Loader.java:602) at net.sf.hibernate.loader.OneToManyLoader.initialize(OneToManyLoader.java:102) at net.sf.hibernate.impl.SessionImpl.initialize(SessionImpl.java:2897) at net.sf.hibernate.collection.PersistentCollection.getInitialValue(PersistentCollection.java:128) at net.sf.hibernate.type.PersistentCollectionType.getCollection(PersistentCollectionType.java:74) at net.sf.hibernate.type.PersistentCollectionType.resolveIdentifier(PersistentCollectionType.java:177) at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:1959) ... |
7. WrongClassException forum.hibernate.orgI have posted the similar exception before. How to avoid this exception? Why would hibernate read other records when I am trying to read a specific USER record. Hibernate tries to read all the records and bombs with the exception below. Hibernate version: Hibernate 2 Mapping documents: |
8. WrongClassException forum.hibernate.orgNewbie Joined: Mon Nov 14, 2005 5:43 am Posts: 6 Hi there, I've read many things about WrongClassException (and of course) the solutions on the non-annotated way of using hibernate. But I've got Hibernate running with annotations and run into trouble. I do an Query for a specified (Just a get(WohnungMiete.java, id)) Subclass. This subclass retrieves the getTeaserImage() from the superclass ... |
9. WrongClassException forum.hibernate.orgNewbie Joined: Wed Mar 15, 2006 10:36 am Posts: 14 Hibernate version: 3.1 Mapping documents: |
10. weird case with org.hibernate.WrongClassException forum.hibernate.orgPage 1 of 1 [ 1 post ] Previous topic | Next topic Author Message michaelsamuelle Post subject: weird case with org.hibernate.WrongClassException Posted: Fri Mar 30, 2007 8:04 am Newbie Joined: Mon Mar 12, 2007 8:47 pm Posts: 5 Hi guys my cousin and me are in a project and we ... |
11. org.hibernate.WrongClassException forum.hibernate.org @ManyToMany(targetEntity = ServerSidePermission.class, fetch = FetchType.EAGER) @JoinTable(name = "ROLE_PERMISSION", joinColumns = { @JoinColumn(name="ROLE_ID") }, inverseJoinColumns = { @JoinColumn(name="PERMISSION_ID") }) private Set |