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

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In the line with c:forEach loop java spring hibernate jsp spring-mvc share|improve this question edited Jan 8 '15 at 15:16 bluish 9,8071272128 asked Jul 31 '12 at 18:18 Eugene 84331425 add I got LazyInitializationException but when I changed to fetch type Eager it was working properly. It should be able to cast * to [emailprotected] java.util.List}. Web server dispatches request to JAX-RS service JAX-RS service calls EJB Stateless Session Bean Transaction starts EJB Stateless Session Bean loads data from database (other beans might be involved) EJB Stateless http://juicecoms.com/failed-to/failed-to-lazily-initialize-a-collection-of-role-hibernate.html

what happen? Generalization of winding number to higher dimensions What happens to a radioactive carbon dioxide molecule when its carbon-14 atom decays? Linked 100 Solve “failed to lazily initialize a collection of role” exception 6 org.hibernate.LazyInitializationException: could not initialize proxy - no Session, encore un fois 0 LazyInitializationException with Spring Data JpaRepositories 2 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

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

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 Or it's merely an ordinary mistake? Set lazy=false in XML or Set @OneToMany(fetch = FetchType.EAGER) In annotation.

How would you name this font? Did Joseph Smith “translate the Book of Mormon”? One for get the main entity and another which fetch relation entity de lazily. No Session Or Session Was Closed asked 2 years ago viewed 34279 times active 25 days ago Visit Chat Linked 63 hibernate: LazyInitializationException: could not initialize proxy Related 37Hibernate/Spring: failed to lazily initialize - no session or

The mentioned exception was triggered.My question is the following one: How long does the control of the entity manager over the entity last? Collection Is Not Associated With Any Session Are the guns on a fighter jet fixed or can they be aimed? Not when the parent has more than one OneToMany or if any of them returns quite a lot of rows. Discover More 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).

now what? Org.codehaus.jackson.map.jsonmappingexception: Failed To Lazily Initialize A Collection Of Role All Rights Reserved. I then try to call getXXXX().toString(), it still work.Would anybody tell me what it is going on. this need to be before you return from the transaction scope.

Collection Is Not Associated With Any Session

asked 6 years ago viewed 88736 times active 1 year ago Get the weekly newsletter! http://stackoverflow.com/questions/3519059/hibernate-failed-to-lazily-initialize-a-collection-of-role-no-session-or-sessi Can time travel make us rich through trading, and is this a problem? Org Hibernate Lazyinitializationexception Failed To Lazily Initialize A Collection Of Role Spring But there they don't use lazy loading, so it's still not clear (to me), if it works because serialization is within transaction scope, or because all data to be serialized is Could Not Initialize Proxy - No Session more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation

parameters) throws IllegalArgumentException, ServiceException { if (StringUtils.isBlank(queryOrQueryName)) { throw new IllegalArgumentException( "Query for executing cannot be null"); } //TODO comment //logger.debug("Executing query '"+queryOrQueryName+"' to return single result '"+singleResult+"' with params "+ArrayUtils.toString(parameters)); his comment is here All commenting, posting, registration services have been turned off. 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. When the view tries to display the data, the session has been closed and hence, the error. Failed To Lazily Initialize A Collection Of Role Many To Many

So, the first parameter in your named * query should be referenced as ?1, second as ?2 * and so on. *

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* If singleResult = true and Why was this unhelpful? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed this contact form The Ooh-Aah Cryptic Maze more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life /

Where do you open/close it? –Pascal Thivent Aug 19 '10 at 8:21 add a comment| 10 Answers 10 active oldest votes up vote 24 down vote In your entity class, when Failed To Lazily Initialize A Collection Of Role Elementcollection share|improve this answer answered Jan 19 '14 at 19:02 Glenn Lane 2,142620 add a comment| up vote 0 down vote You cannot load Roles collection from the same transaction with eager If your collection data is small and you frequently need to query the data, you will better off using eager fetching.

If you have a large collection, you shouldn't use eager fetching.

You can refer to my post here for details: http://khuevu.github.io/2013/01/20/understand-hibernate.html That's said, it can depend on your actual use case. Keeping windshield ice-free without heater alignment of single- and multi-line column headers in tabular (latex) Can I make a woman who took a picture of me in a pub give the I personally prefer this approach, as it seems a little closer to the spirit of the MVC pattern. Failed To Lazily Initialize A Collection Of Role Spring Boot What's the point of repeating an email address in "The Envelope" and the "The Header"?

When now the field empDeptNo is navigated, JPA tries to lazily load it, which fails as we're already outside a valid transaction/session. The risk there is that you have to have solid exception handling or you could bind up all your sessions and your app could hang. and add OpenSessionInViewFilter filter in your web.xml Detail See my post. http://juicecoms.com/failed-to/failed-to-lazily-initialize-a-collection-of-role-no-session.html Initalizing the collection using Hibernate.initialize(obj); Fetch the collection in another transaction Use Fetch profiles to select lazy/non-lazy fetching runtime Set fetch to non-lazy (which is generally not recommended) Further I would

parameters) throws IllegalArgumentException, ServiceException { if (StringUtils.isBlank(queryOrQueryName)) { throw new IllegalArgumentException( "Query for executing cannot be null"); } if (firstResult < 0) { throw new IllegalArgumentException( "First result cannot be less Reckon there's something missing in the configuration.