1. JPA : What is the behaviour of merge with lazy initialized collection? stackoverflow.comHere are the sequences leading to the question :
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2. Add and remove operations on lazily initialized collection behaviour? stackoverflow.comim currently trying out JPA 2 and using Hibernate 3.6.x as the engine. I have an entity of ReceivingGood that contains a List of ReceivingGoodDetail, and has a bidirectional relation. Some related ... |
3. failed to lazily initialize a collection of role stackoverflow.comHi I have two classes like this: |
4. failed to lazily initialize a collection of role hibernate3 coderanch.comhi I have one to one mapping between three objects. Job --> salesRole --> positionTemplate. I am getting this "failed to lazily initialize a collection of role" error with hibernate 3. i tried to use lazy="false" to force hibernate to load eagerly. still i get the same error when i try to access position template fields. Here are my hibernate mapping ... |
5. Initialising a lazy collection forum.hibernate.orgMy association is bi-directional meaning i can add a new group msg by either saving the message itself or adding the msg to the msg list of the group it belongs and then updating the group in the database and the code for both approaches if below public void saveGroupMessage(GroupMessage groupMessage) throws Exception { getHibernateTemplate().save(groupMessage); getHibernateTemplate().refresh(group); } OR public void saveGroupMessage(GroupMessage ... |
6. Failed to lazily initialize a collection of role? forum.hibernate.orgHello to all! I have a problem with my Hibernate 3.5.3 and Spring 3.0.3. application. The error is this one: Quote: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.mydomain.myproject.data.domain.User.groups, no session or session was closed at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:380) at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:372) at org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:365) at org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:108) at org.hibernate.collection.PersistentBag.iterator(PersistentBag.java:272) at com.mydomain.myproject.data.services.PersonServiceImpl.updatePerson(UserServiceImpl.java:45) at com.mydomain.testing.UserTest.testUpdateUser(UserTest.java:127) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at ... |
7. collections and lazy forum.hibernate.orgHi, An User has more than one Address. When I retrieve a user by Id, I don't force to initialize the collection "Addresses". If after I want to access to the Addresses, I must open the session, initialize Addresses and close session. Do you think is it a good idea to put this code directly in the getAddresses of User (business) ... |
8. Lazy collections + proxies forum.hibernate.orgHi, Im having memory problems in my Hibernate application, so I decided to use lazy initialiaztion in ALL my collections. The memory consume was reduced, but it still was very high. I then decided to use proxies in ALL my classes, but the memory consume increased very much. I thought that using proxies would force persistent objects not to load if ... |
9. how to use lazy collections when not using openSessionInView forum.hibernate.organyone have ideas on what a good way to tell my service layer what data to initialize from objects it returns? im not using the open-session-in-view pattern here. for example my UserService.getUser(Long id) say User has a Roles List, (list of Role objects) how should I tell my UserService.getUser() method what collections to load? I dont want to have methods like ... |
10. Lazy collection forum.hibernate.orgI write this Iterator i = session.iterate("from JPPricelist"); XRecordSet headpricelists = RecordBeanMapper.iterateBeanToXRecordSet(i); ctx.setAttribute("pricelists", headpricelists); And i have in JPPricelist a property that is a collection. I map this collection as lazy=true but when I extract the object from the iterator (and only when i extract object from iterator) hibernate initialize the collection also if i don't use it! How can i ... |
11. Lazy Collection of Proxies X Lazy Collection of Non Proxies forum.hibernate.orgHello, I would like to know the difference between a Lazy Collection of Proxies and a Lazy Collection of Non Proxies. If I issue a Hibernate.initilize() in the lazy collection , the elements of the collection will be initialized too, in the case they are proxies ? Or do I have to iterate over the collectin calling initialize on each element ... |
12. lazy collection Set forum.hibernate.org |
13. Failed to lazily initialize a collection forum.hibernate.orgsome would say this problem has already been mentioned lots of times! but i couldn't find a convincing answer. i do a simple test where Platform->ManagedElement is one2one and ManagedElement->Cpu is a |
14. Failed to lazily initialize a collection forum.hibernate.orgHi all I am using Hib2.1.1 and MS SQL server. I got exception when Hib lazily load the collection. Is that the problem with the MS SQL JDBC driver or what? Code: sf = cfg.buildSessionFactory(); Session sess = sf.openSession(); ... |
15. Failed to lazily initialize a collection forum.hibernate.orgI have checked the forums, and it appears that this question props up on a regular basis. However, I am unable to find an answer that applies to my case. Any help is greatly appreciated. ****** java code ***** public class Main { private SessionFactory factory; public void populate() throws Exception { // open a session and save the team Session ... |
16. lazy initiallization of collections forum.hibernate.orgNewbie Joined: Wed Jun 16, 2004 8:26 am Posts: 19 Hi all, i have a problem working with lazy initiallization on collections. I tried to use a proxy in my mapping file (same class) and i tried to work with Hibernate.initialize(); at different places on my java-files. Could someone tell me where change my source-code or mapping to get the lazy-thing ... |
17. Failed to lazily initialize a collection forum.hibernate.orgI am having a problem with hibernate lazy collection initialization. When I call some method on a lazy initialized collection, size() or add(), it always throws out the LazyInitializationException. I set the "lazy" attribute in Set value "true" and "inverse" attribute "true" and "cascade" attribute "save-update". I debug into the Hibernate code and found the exception is throw on the statement ... |
18. Lazy collection in lazy collection forum.hibernate.orgHi alls. I've got a problem: A -- lazy collection of --> B B -- lazy collection of --> C When A contains some B objects in collection then i can't retrieve lazy objects C from B. But when there's null collection of B in A object and i do such thing a.setBes(new ArrayList()) a.getBes().add(b) session.update(a); session.commit(); i can't retrieve c ... |
19. Failed to lazily initialize a collection forum.hibernate.orgdear all... i m getting this kind of error while i get a Set of values from my persistent. My Code Is : Transaction tx = session.beginTransaction(); CabImpl cabImpl = new CabImpl(); Collection cabs = cabImpl.getCabs(); Iterator iterator = cabs.iterator(); Iterator iter = null; while(iterator.hasNext()){ Cab cab = (Cab)iterator.next(); Set set = cab.getTripSheets(); iter = set.iterator(); TripSheet t = null; while(iter.hasNext()) ... |
20. Failed to lazily initialize a collection forum.hibernate.orgNewbie Joined: Fri Oct 03, 2003 8:44 am Posts: 11 I'm getting a lazy initialization exception on a many to many relationship, however, I'm not marking any collections as lazy, so I can't understand why I'd get this!! Hibernate version: 2.1.6 Database Schema QHTACCTS ------------- user_id (pk) - String OS_MEMBERSHIP -------------------- user_id (pk) - String groupname (pk) - String OS_GROUP ------------- ... |
21. Adding to lazy collection forum.hibernate.orgyes this is correct , however , when u access the the collection to add the child the collection still needs to be intialized. Parent.addChild(new Child()); with inverse="true" .. the child will do the insert but hibernate will still initialize the collection of the parent. What I am doing now is just saving the child by and pointing it to the ... |
22. Detach lazy object/collection does not work forum.hibernate.orgI tried to detach lazy object/collection after closed session on J2EE and standalone program and display the object infomation by "toString()" function. Hibernate always tries to get lazy instances again and throw the following exception. However, refer to the reference document shows that "As soon as the session is closed, they will be detached.....", it seems that it is not correct. ... |
23. Dinamically choosing between lazy and non-lazy collections forum.hibernate.org |
24. StackOverFlowError / lazy collection init forum.hibernate.orgAuthor Message deanen Post subject: StackOverFlowError / lazy collection init Posted: Wed Dec 15, 2004 4:22 pm Newbie Joined: Mon Sep 06, 2004 4:11 pm Posts: 6 Hibernate version: 2.1.6 Mapping documents: |
25. Lazy collection is always retrieved forum.hibernate.org3.0.1: Mapping documents: |
26. Detecting when a collection has been initialized via lazy in forum.hibernate.org |
27. ...failed to lazily initialize a collection of role... forum.hibernate.orgIf you really want to have your Set loaded right away you should be using lazy="false" in your |
28. "Failed to lazily initialize a collection" Excepti forum.hibernate.orgThanks for your reply. But when I debug inside, it shows that the session.isOpen() return true; The problem is the getPersistentContext().containsCollection(this); return false. So I think the session actually is NOT closed. Our environment is: We haven't used cascade insert/update So when doing a Master/Detail insertion. We do deleteUsingQuery("select all children"); parent.getChildren().clear(); session.save(child1); parent.getChildren().add(child1); session.save(child2); parent.getChildren().add(child2); ... I test the code ... |
29. JSP and Lazy (Uninitialized) Collections forum.hibernate.org[b]Hibernate version:3.05 Good day everybody! I'm wondering how to use a tag logic:present or c:if test=${not empty} to verify if a lazyLoaded Collection is empty or not. It always says that my lazyed Collection "is not present" even if try to use a scriptlet telling Hibernate to force initialization of my Collection: org.hibernate.Hibernate.initialize( myForm.get("desiredProperty") ); Any ideas???? Cheers, :Luiz. |
30. failed to lazily initialize a collection forum.hibernate.orgDear All: I have another hibernate problem that I really need your help, I am now using Hibernate 3.1, and I am trying to initialize a collection after I load a object. But I got an error saying no session or session is closed. The HibernateUtil class and the collection initialization part of the code I wrote are as of following. ... |
31. how does hibernate implement lazy init of collection? forum.hibernate.org |
32. failed to lazily initialize a collection forum.hibernate.orgHi everybody, I have the following problem: All my mapping files contain "lazy=false", however, i receive an error: "failed to lazily initialize a collection, no session or session was closed". I receive this error when i try to retreive some data after calling session.clear(). I think this is strange because all lazy=false !! pls help me, thank you. |
33. failed to lazily initialize a collection of role forum.hibernate.orgAuthor Message rainytooo Post subject: failed to lazily initialize a collection of role Posted: Thu Aug 17, 2006 2:53 pm Beginner Joined: Sun Aug 13, 2006 8:48 am Posts: 23 Hibernate version: 3.2 Mapping documents: Category.hbm.xml Code: |
34. Collection is not lazy? forum.hibernate.orgNewbie Joined: Wed Feb 14, 2007 5:38 am Posts: 6 Hibernate version: 3.2 I have the following code: @Entity public class Client { @Id @GeneratedValue private int id; private String name; @OneToMany (cascade={CascadeType.PERSIST}) @JoinColumn (name="clientid") private Collection |
35. Collection can't be lazy forum.hibernate.orgHi All, It's about one day I'm struggling with this problem without understanding what's going on I'm on mysql5 using hibernate 3, using all the default conf here is my mapping file for the work object |
36. Not lazy collection consisting of lazy-laoded objetcs forum.hibernate.orgHello everybody, I use Hibernate 2 and I'd have the following question: In a class mapping I declare a bag-collection which is not indicated to be a lazy one (so, this is a parent object). This collection contains objects of a class, who has a "proxy" attribute in its mapping (and these are child-objects). The colection may also be empty. When ... |
37. Not lazy collection consisting of lazy objetcs forum.hibernate.orgHello everybody, I use Hibernate 2 and I'd have the following question: In a class mapping I declare a bag-collection which is not indicated to be a lazy one (so, this is a parent object). This collection contains objects of a class, who has a "proxy" attribute in its mapping (and these are child-objects). The colection may also be empty. When ... |
38. Is Lazy Collection forum.hibernate.org |
39. failed to lazily initialize a collection of role forum.hibernate.org |
40. Lazy Intialization of collections forum.hibernate.orgThis must have been explained before. I have been looking at all the documentation to understand how lazy initialization works - but still have some questions. For example, if a cat has a list of kittens and each kitten has a list of toys Will calling Hibernate.initialize(cat) Hibernate.initialize(cat.getKittens()) will it initialize list of toys for each kitten or do I have ... |
41. lazy collection is fetched eagerly forum.hibernate.orgHibernate version: Core 3.2.5.ga, EntityManager 3.3.1.ga Entities: @Entity @Proxy public class Product implements Serializable { private Long id; private String name; public Product() { } public Product(String name) { setName(name); } @Id @GeneratedValue(strategy = GenerationType.AUTO) public Long getId() { return id; } @Override public int hashCode() { int hash = 0; hash += (getId() != null ? getId().hashCode() : 0); return ... |
42. Potential Bug in Lazy Collections forum.hibernate.orgThe problem I've found is that when you add the @LazyCollection(LazyCollectionOption.EXTRA) to a collection with a @Where clause, the collection no longer uses the @Where clause when you do a .size() on the collection. I've provided my example files below: Hibernate version: 3.2.6.ga Mapping documents: @Entity @Table(name="site_quick") @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) public class SiteQuick { private List |
43. failed to lazily initialize a collection forum.hibernate.orgOnce again a Question relating to the lazy collection exception. I have a Collection of data which is stored in the database and not needs to get reloaded after loaded once. I am loading the data via hibernate and holding the resulting Collection in an application bean of an webapplication. Now if iam accessing the items of that collection it causes ... |
44. how to scroll lazy collection? forum.hibernate.org |
45. Lazy collection being automatically initialized incorrectly forum.hibernate.orgNewbie Joined: Tue Mar 24, 2009 4:30 pm Posts: 5 Hi, First of all, I'm trying to persist hierarchical data via hibernate. I have a class, AbstractHierarchy that has a collection of children, also of type AbstractHierarchy. There are two concrete subclasses of this, ConcreteHierarchy1 and ConcreteHierarchy2. Which one is instantiated depends on a discriminator value. I'm having a problem where ... |
46. lazy collections naming forum.hibernate.org |