lazy « Exception « JPA Q&A

1. org.hibernate.exception.DataException: could not initialize a collection

When I try to access my collection (List) the following way, I get the following error, even though I do it within same UserTransaction.

EntityAccessorException: org.hibernate.exception.DataException: could not initialize a collection
Caused by: ...

2. nested lazy batchfetch cause ConcurrentModificationException

Newbie Joined: Mon Feb 01, 2010 1:04 pm Posts: 6 I get java.util.ConcurrentModificationException due to nested lazy batch fetching: Analysis of Problem: It's not a multi-threading issue. 1. MyDataObject2.toString() results in lazy loading of MyDataObject2 2. during lazy loading of MyDataObject2, a org.hibernate.util.EqualsHelper.equals() is triggering lazy loading of MyDataObject1 while still inside of loop iterating over org.hibernate.engine.BatchFetchQueue.batchLoadableEntityKeys in org.hibernate.engine.BatchFetchQueue.getEntityBatch() 3. during ...

3. Automatically re-attach to session instead of Lazy-exception

Hi. EclipseLink has a nice feature which in practice eliminates lazy-load exceptions. It reconnects to the configured datasource for the respective entity-manager when loading an un-initialized proxy. Is the Hibernate-team considering to implement this? Hibernate should have all info it needs to do this and as a programmer I really shouldn't be bothered if the db-connection is closed or not when ...

4. lazy exception with disconnected session

Hi, If I understood well, disconnecting the session w/out closing it preserves the session (cache, etc) only the underlying db connection is closed. Question is: Why lazy exception is thrown with a disconnected session? I would expect to get the exception with a _closed_ connection, not with a disconnected one. TIA, --steve p.

5. admin APP exception while lazy="true"

6. hibernate lazy instantiation exception

i created a .sar file to deploy hibernate service as MBean in jboss. I have included the persistant class as well as mapping file along with that. The service is successfull nut i am getting LazyInitializationException when i call openSession() method. Hibernate version: 2 Mapping documents: FOR CLASS EVENT --------------------------

7. Lazy instantiation causes TransientObjectException

Read the rules before posting! ... AskForHelp Hibernate version: 3.0 Mapping documents: master_seq party_seq

8. Lazy Exception.. foreign key doesn't exist

I have a table structure like so: Code: Order{ - orderid - Set orderitems - ... } with:

9. LazyInitializationException: failed to lazily initialize...

Hibernate version: 3 I'm trying to understand this problem. Basically, I have an Account. Accounts can have privileges (which is a set). Everything works perfect if I have it in one page; for instance: if I do: 1) Retrieve account 2) display account.getPrivileges everything works fine. The problem arises when I tried keeping my account in a session (after logging in) ...

10. LazyInitializationException when lazy="false"

11. "Exception initializing proxy" while lazily fetchi

Newbie Joined: Wed May 04, 2005 9:34 am Posts: 16 Location: Germany Hi, i have a mapping for 2 tables with a one-to-many association between them. I habe lazy fetching enabled, and whenever i create an object for table #1 and try to access one of table #2s properties i get the following exception net.sf.hibernate.LazyInitializationException: Exception initializing proxy: [] [net.sf.hibernate.proxy.LazyInitializer.initialize(, net.sf.hibernate.proxy.LazyInitializer.initializeWrapExceptions(, ...

12. lazy exception

15. failed to lazily initialize a collection of role exception

Caused by: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of ro le: ejb.entity.ILDAEntityBean.ilda15MinUpdates, no session or session was closed at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(Ab at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfN otConnected( at org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollec at ...

16. org.hibernate.LazyInitializationException: failed to lazily

Hi all, I am facing problem in hibernate.When i am trying to get a collection of objects in spring i am getting this LazyInitializationException.I have attached the full stacktrace below.Can anybody please help me on this: 07:01:48,407 ERROR [LazyInitializationException] failed to lazily initialize a collection of role:, no session or session was closed org.hibernate.LazyInitializationException: failed to lazily initialize a collection ...

17. lazy conection error

Newbie Joined: Fri Oct 31, 2008 11:35 am Posts: 12 Hi. i have next error with lazy connection, but in my map file i dont use this property, why is this?? this is my map file. Please i need fix this quickly. Code:

18. JAX-WS + Hibernate - How to avoid Lazy init exceptions

Hi Kayaman Often I'm reusing the same Hibernate code, outside of JAX-WS, where lazy loading is an advantage. How would I go about disabling lazy loading anyway? can I disable it just for a single Hibernate call? (Some parameter in the Hibernate session perhaps?) So there is no way to get JAX-WS to initialise the session with each call and close ...