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? Check This Out I think, in your specific case, a collection of role is probably quite small and suitable to use eager fetching. this problem will solve. and generate the following error, telling you that since the transaction was committed, there was no valid Session in which a read transaction against the database could be issued: org.hibernate.LazyInitializationException: could Could Not Initialize Proxy - No Session
It seems that the error is caused by Hibernate lazily loading the employee collection i.e. Why Magento 2 is extremely slow? 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 Source During deploy, the JBoss hangs at the following lines: Code: 2011-06-20 13:20:35,140 INFO [org.jboss.jpa.deployment.PersistenceUnitDeployment] (HDScanner) Starting persistence unit persistence.unit:unitName=cs_ft.ear/lib/FT-DB-JPA-1.0-SNAPSHOT.jar#be.cs_ft.impl_FM-DB-JPA 2011-06-20 13:20:35,390 INFO [org.hibernate.cfg.annotations.Version] (HDScanner) Hibernate Annotations 3.4.0.GA ...40.Lazy initialization happening when
Acess list elements on foreach JSTL tag failed to lazily initialize lazy="true" not working All times are in JavaRanch time: GMT-6 in summer, GMT-7 in winter Contact Us | advertise | Failed To Lazily Initialize A Collection Of Role Spring Boot I am using struts and hibernate in my web app with 'Open view with session pattern'. I tried to make lazy=true in mapping file, to improve the performance of the site.
The Struts2 Actions use these beans (by injection (provided by some ...22.bootstrapping hibernate initializationcoderanch.comHello, Does anyone know of a mechanism within hibernate that would allow some type of callback to occur
Thanks to your explanation, Wolfgang, I've been able to understand and prevent it.My problem was that I tried to recover collections when the entity manager had lost any control over the I then decided to use proxies in ALL my classes, but the memory consume increased very much. get the node Hibernate.initialize(n); // initializes 'parent' similar to getParent. Caused By: Org.hibernate.loader.multiplebagfetchexception: Cannot Simultaneously Fetch Multiple Bags Initial fetch mode for collections is set to FetchMode.LAZY to provide performance, but when I need the data, I just add that line and enjoy the fully populated objects.
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 Show 7 replies 1. I then try to call getXXXX().toString(), it still work.Would anybody tell me what it is going on. http://savecomputer.net/failed-to/failed-to-lazily-initialize-a-collection-of-role-jpa.html Set lazy=false in XML or Set @OneToMany(fetch = FetchType.EAGER) In annotation.
So it's an excellent moment to ask :) .I'm still a beginner with EJB, JBoss and many of the J2EE features, so I have many doubts and much to learn yet. Or do I have to iterate over the collectin calling initialize on each element ...12.lazy collection Setforum.hibernate.org13.Failed to lazily initialize a collectionforum.hibernate.orgsome would say this problem has already been mentioned lots I test the code ...29.JSP and Lazy (Uninitialized) Collectionsforum.hibernate.org[b]Hibernate version:3.05 Good day everybody! What Rafael and Mukus say are reasonable.
Here is my map 67.Controlling lazy initialization of connected objectsforum.hibernate.orgHi everyone, we've got here a big data model with around 100 tables. When I call some method on a lazy initialized collection, size() or add(), it always throws out the LazyInitializationException.