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Failed To Lazily Initialize A Collection Of Role No Session

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The Ooh-Aah Cryptic Maze Sunlight and Vampires Example of compact operators in quantum mechanics Install Homebrew package with all available options Using Flexbox, have elements stretch to fill gap between rows the best solution for this problem, change the lazy loaded object to eager fetch = FetchType.EAGER loading. This just cannot be a solution. If you are aiming to be flexible is not a good way to go. Check This Out

asked 6 years ago viewed 88729 times active 1 year ago Linked 287 Difference between FetchType LAZY and EAGER in Java Persistence API? 0 A good solution to Spring MVC “failed You object is then in a detached state. What to Look for in ETF Word for unproportional punishment? share|improve this answer edited Aug 2 '12 at 17:47 answered Jul 31 '12 at 20:13 GMK 4071413 add a comment| up vote 9 down vote I know it's an old question http://stackoverflow.com/questions/11746499/solve-failed-to-lazily-initialize-a-collection-of-role-exception

Failed To Lazily Initialize A Collection Of Role No Session

Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count). What Rafael and Mukus say are reasonable. Join them; it only takes a minute: Sign up Hibernate/Spring: failed to lazily initialize - no session or session was closed up vote 37 down vote favorite 22 For an answer Disallowing \textbf, \it, \sffamily, ...

parameters) throws IllegalArgumentException, ServiceException ; /** * Be aware, that when multiple results are returned, they are being * dynamically casted to REZ class. Did 17 U.S. Browse other questions tagged java spring hibernate or ask your own question. No Session Or Session Was Closed I have a simple program with two POJOs Event and User - where a user can have multiple events. @Entity @Table public class Event { private Long id; private String name;

This was short, sweet, clear and perfect! Org Hibernate Lazyinitializationexception Failed To Lazily Initialize A Collection Of Role Spring Don't use lazy load. Code: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.karishma.framework.khis.pojo.Account.payers, no session or session was closed at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:358) at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:350) at org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:97) at org.hibernate.collection.PersistentBag.size(PersistentBag.java:225) at com.karishma.khis.billing.service.handler.TariffConversionHandler.changeTariff(TariffConversionHandler.java:143) at com.karishma.khis.billing.service.handler.TariffConversionHandler$$FastClassByCGLIB$$42e11e84.invoke() at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149) http://stackoverflow.com/questions/3041259/hibernate-spring-failed-to-lazily-initialize-no-session-or-session-was-closed You can't reconnect to the hibernate session (simply) to initialize the collection.

Rent clothing in Frankfurt / Being warm without cold weather clothing Is it bad practice to use GET method as login username/password for administrators? Hibernate.initialize Example Enabling a transaction is just the fact of setting the autoCommit flag from on to off on the connection. –Thierry Jun 16 '10 at 21:10 | show 1 more comment up share|improve this answer answered Jun 30 '14 at 11:46 user2301692 This does not provide an answer to the question. When the JPA/Hibernate tries to access the database to get this lazy information, the JPA will notice that there is no opened collection.

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

Not the answer you're looking for? http://stackoverflow.com/questions/21220234/hibernate-lazy-initialization-failed-to-lazily-initialize-a-collection this need to be before you return from the transaction scope. Failed To Lazily Initialize A Collection Of Role No Session Why does the `reset` command include a delay? Collection Is Not Associated With Any Session Browse other questions tagged java hibernate spring lazy-loading or ask your own question.

It just works. his comment is here It seem like its taking us back to old good plain SQL days :) Read this: http://www.javacodegeeks.com/2012/07/four-solutions-to-lazyinitializationexc_05.html share|improve this answer answered Sep 19 '13 at 19:44 bkomac 49358 add a comment| Not the answer you're looking for? You can check if this is the case by synchronizing the readStatusCache() method. Caused By: Org.hibernate.loader.multiplebagfetchexception: Cannot Simultaneously Fetch Multiple Bags

From zero to parabola in 2 symbols When should an author disclaim historical knowledge? It should be injected with the same SessionFactory injected into the SessionWrapper. same with all the save operations ... this contact form I know this is an older post, but I found it informative and thought these points er missing.

So I'm all outa ammo mate. Failed To Lazily Initialize A Collection Of Role Many To Many Spring abstracts a lot of boilerplate code for you, but you have to know how it works to use it effectively. –Aaron Mar 21 '16 at 22:00 add a comment| up Also, my question is specific to non-web, because I want to use the same model/daos I use in web also for stand-alone applications (Our data crawlers). –Niko Jun 15 '10 at

Not the answer you're looking for?

Hibernate: insert into User (name) values (?) Hibernate: insert into User (name) values (?) Hibernate: insert into Event (name, user_id) values (?, ?) Hibernate: insert into Event (name, user_id) values (?, Explain abo... Comment Cancel Post Plastics Member Join Date: Feb 2007 Posts: 48 #4 Dec 10th, 2008, 10:09 PM I used the open session in view filter, but i still get the same Could Not Initialize Proxy - No Session Jpa If I made a many to many relationship between Users and Roles this means a User can have multiple ROLES in the same time so far am I following you correctly?

The basic idea would be just to have 3 database tables where 2 are for entities User and Role, and last one as mapping table, say user_role. Someone can point what i am doing wrong and what I can do to fix it? 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 navigate here If you try to access the page with the code above you will see the exception bellow:[javax.enterprise.resource.webcontainer.jsf.application] (http–127.0.0.1-8080-2) Error Rendering View[/getLazyException.xhtml]: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.model.Person.lazyDogs,

parameters) throws IllegalArgumentException, ServiceException, SystemException; /** *

* This template method executes query with performing all needed * operations, like creating EntityManager, creating transaction, * committing, or rolling it back. Maybe its cleaerer when you extend the example and adapt it to the sample code I provided. Here are the configurations web.xml Code: Switch off caching. Now you will not get the exception !

Please read this answer for more on thread safety with spring and hibernate. So If you have a blog with unique and interesting content then you should check out our JCG partners program. Should we eliminate local variables if we can? properly.

share|improve this answer answered Sep 13 '16 at 8:12 Vlad Mihalcea 30.9k65094 Can you please look into here as well? -stackoverflow.com/questions/39637121/… –Barrier Sep 22 '16 at 11:58 add a user.setEvents(Arrays.asList(event1,event2)); ... (Also do not forget to address the code enhancement points above, Set not List, collection typing) share|improve this answer edited Oct 31 '13 at 17:11 Carl Manaster 29.3k1067127 answered All Rights Reserved. An alternative to this is to still use lazy fetching and open a Hibernate session each time you need to work on the related collection, i.e, each time you need to

then load all users (the "from Users" query) at that point hibernate see that it has already the object in its session, so discard the one it got from the request Did 17 U.S. Must be set to * 0 if it doesn't need. * @param size * Specifies maximum size of resulted collection Must be set to 0 * if it doesn't need. * this url is outdated http://java-tecnologiasrelacionadas.blogspot.com/search/label/Hibernate this is the new one.

If you close the session then try to access a field on an object that was lazy-loaded, you will get this exception. Rent clothing in Frankfurt / Being warm without cold weather clothing How should I respond to absurd observations from customers during software product demos? I've added a section with a runLogic example. Java Code Geeks and all content copyright © 2010-2017, Exelixis Media P.C. | Terms of Use | Privacy Policy | Contact Want to take your Java skills to the next level?Grab