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Spring Failed To Lazily Initialize A Collection


Then reattach the parentCategory to the new persistence context, and then call the getter. To critique or request clarification from an author, leave a comment below their post - you can always comment on your own posts, and once you have sufficient reputation you will If you want to set a basic field (E.g. Newsletter171,366 insiders are already enjoying weekly updates and complimentary whitepapers! have a peek here

I got LazyInitializationException but when I changed to fetch type Eager it was working properly. How to politely decline a postdoc job offer after signing the offer letter? What I have tried was this: List authority = user.getAutorizacoes(), inside same function from allocation of UsernamePasswordAuthenticationToken, but still don't work. –Kleber Mota Apr 2 '14 at 20:13 @ManyToMany(cascade=CascadeType.ALL, Something like: public List listUserWithEvent() { return sessionWrapper.runLogic(new Callable() { public List call() { List users = hibernateTemplate.find("from User"); for (User user : users) { System.out.println("LIST : " + user.getName() + more info here

Org Hibernate Lazyinitializationexception Failed To Lazily Initialize A Collection Of Role Spring

TransactionSynchronizationManager.unbindResource(sessionFactory); } java hibernate spring lazy-loading share|improve this question edited Jan 2 at 11:31 asked Jun 14 '10 at 22:01 Niko 3,64012243 add a comment| 7 Answers 7 active oldest votes You then try and access a lazy collection. You can specify multiple parameters separated by * comma * @return Result of the query * @throws ServiceException * If domain or DB error occurs * @throws IllegalArgumentException * If arguments Why would anyone want to return data from other tables when you only need data from one parent.

If you have just therelation Entity has list of LazyLoadedEntity then the solution is: getListLazyLoadedEntity().size(); share|improve this answer answered Jun 8 '15 at 15:17 makkasi 543823 add a comment| up vote Set lazy=true in XML or Set @OneToMany(fetch = FetchType.LAZY) In annotation. Hope it helps share|improve this answer edited Jun 6 at 14:04 answered Jun 6 at 13:58 sarbuLopex 16017 The @Transactional annotation worked for me, but note that Propagation.REQUIRED is Hibernate.initialize Example Can a router send ARP requests to hosts?

Also I tried to synchronize the readStatusCache() but the exception is still there. Arguments of \newcommand as variable names? Don't use lazy load. check my site Is it possible to get a professor position without having had any fellowships in grad school?

A success message can be sent by the ManagedBean/Servlet, but when the database commits the transacion an error may happenN+1 effect may happen (more detail bellow)The major issue of this approach Caused By: Org.hibernate.loader.multiplebagfetchexception: Cannot Simultaneously Fetch Multiple Bags In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms public List getUsers(Long page, Long pageSize) { Long start = (page-1)*pageSize; return sessionfactory.getCurrentSession().createQuery("FROM User u JOIN FETCH u.role ").setFirstResult(start.intValue()).setMaxResults(pageSize.intValue()).list(); } Also I would recommend having ManyToMany relationship between User and Roles iPhone SE powers on whenever moved, defective?

Could Not Initialize Proxy - No Session

Special operations on a list How should I position two shelf supports for the best distribution of load? The only reason I can think of to throw your stacktrace was this. Org Hibernate Lazyinitializationexception Failed To Lazily Initialize A Collection Of Role Spring When returning single result, REZ * should be a single persistent entity class. *

* * @param * Class of the result * @param queryOrQueryName * Query string or Collection Is Not Associated With Any Session Email address: Recent Jobs No job listings found.Join Us With 1,240,600 monthly unique visitors and over 500 authors we are placed among the top Java related sites around.

Browse other questions tagged java spring hibernate spring-mvc jpa or ask your own question. navigate here I personally prefer this approach, as it seems a little closer to the spirit of the MVC pattern. Statements about groups proved using semigroups What happened to Obi-Wan's lightsaber after he was killed by Darth Vader? I have a simple dao-impl (only pasting the userDao - the EventDao is pretty much the same - except with out the "listWith" function: public class UserDaoImpl implements UserDao{ private HibernateTemplate No Session Or Session Was Closed

share|improve this answer answered Nov 15 '12 at 12:47 ydntn 1842 2 This didn't work for me. –abbas Aug 1 '13 at 9:54 add a comment| up vote 0 down If you have a large collection, you shouldn't use eager fetching. You can check if this is the case by synchronizing the readStatusCache() method. Check This Out Transaction tx = ((UserDaoImpl)udao).getSession().beginTransaction(); tx.begin(); users = udao.listUserWithEvent(); ...

How can I monitor the progress of a slow upgrade? Failed To Lazily Initialize A Collection Of Role Many To Many store Since New York doesn't have a residential parking permit system, can a tourist park his car in Manhattan for free? Not the answer you're looking for?

Thanks –MChan Jan 19 '14 at 17:44 1 @MChan: no, you don't eagerly load the users.

You are having this problem in your test class because your transaction begins and ends at your service call: Category parentCategory=serviceCategory.findCategoryById(2l); Recall from Hibernate documentation that lazy loading only works within The code of my Custom AuthenticationProvider is: @Component public class CustomAuthenticationProvider implements AuthenticationProvider { @Autowired private UsuarioHome usuario; public CustomAuthenticationProvider() { super(); } @Override public Authentication authenticate(Authentication authentication) throws AuthenticationException { I went with Hibernate.initialize(myModel.getRelatedCollection()); which worked fine –kosta5 Mar 13 '13 at 8:09 add a comment| up vote 0 down vote The two loops for (Server server : serviceFacade.getServers()) { serverName Could Not Initialize Proxy - No Session Jpa share|improve this answer answered Jun 30 '14 at 11:46 user2301692 This does not provide an answer to the question.

Web requests are usually wrapped in a big session so these problems do not happen. because when you set this property, manyToMany association lost in fetching data. –EN20 Jun 8 '15 at 6:45 1 Also, without delving in documentation I have no idea what this You have to think more widely about your database design. this contact form share|improve this answer answered Jul 15 '13 at 21:55 JB Nizet 414k33558738 Can you please elaborate on what makes an entity detatched? –Webnet Jul 15 '13 at 21:56

share|improve this answer answered Jun 8 '12 at 15:27 Matt 7,99021020 Thanks for the answer. share|improve this answer answered Aug 5 '10 at 16:42 Fran Jiménez 1577 this really did the trick - thanks a lot –Niko Aug 11 '10 at 9:39 Thanks. –ashes999 Jan 24 '11 at 15:49 Fixed it! User entity @Entity @Table(name = "user_t") public class User extends BaseEntity { @Column(name = "username", nullable = false, unique = true) private String userName; @Column(name = "password", nullable = false) private

For example, in your Role entity, if you set it to eagerly load Users: @OneToMany(mappedBy="role", fetch = FetchType.EAGER) private Set users=new HashSet(); } Whenever you load a Role, Hibernate will load It should be able to cast * to [emailprotected] java.util.List}. share|improve this answer answered Nov 18 '11 at 13:15 weekens 3,91342745 Good thing you mentioned, really helpful. –Lion Dec 13 '12 at 4:17 in my application this How do you remove a fishhook from a human?

How to get current currency symbol in multi-currency magetno 2. I tried the solution mentioned by Thierry and it didnt work. How can I slow down rsync? Typically we have wrapped our dao and lazy calls in a SessionWrapper.

Short, to the point, solves the problem and MISLEADING. share|improve this answer answered Dec 28 '12 at 9:38 priya 191 17 This is not a solution, but a workaround –Marc Jun 12 '13 at 15:54 add a comment| up share|improve this answer answered Dec 4 '14 at 4:21 saneryee 1,1171010 OpenSessionInViewFilter is also an anti-pattern. thanks Veekshith Comment Cancel Post shalun Junior Member Join Date: Sep 2010 Posts: 7 #8 Oct 8th, 2010, 03:40 AM Good code: GENERIC SERVICES (DAO) Code: /** * Realization of all

now when you try to access a collection linked to a closed session, the No Session error occurs. It should be able to cast * to [emailprotected] java.util.List}. What are some of the serious consequences that one can suffer if he omits part of his academic record on his application for admission? You load the object from the database then close the session.

Solving the problem: Because you just can have only two collections with the FetchType.Eager(eagerly fetched collection) in an Entity class and because lazy loading is more efficient than eagerly loading, I