68 | Attempt to remove a detached entity object (error 613)Hello, that's a strange error for me ... I have a detached object in my Java code and i just wanted ... a detached entity object (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:290) We see in this stack trace that is a commit operation, all right ... So why does it try to remove the object |
68 | Object explorer cannot open odb file. ObjectDB many-to-many relationship get an Assignement object from User object and Underlying object (but not through theirs keys). I'd like to work with typed object in the code whenever possible, and make key usage as transparent as possible |
68 | Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities bean is released. 3. Use a FETCH JOIN as described here: Detach JPA objects with lazy initialized ... Tom Ware at http://dev.eclipse.org/mhonarc/lists/eclipselink-users/msg05258.html: Detached Objects ... still have access in their proxies to retrieve additional dettached instances. If the object |
68 | Detaching objects after JOIN FETCHHi, I have a question about detaching objects after issuing query with JOIN FETCH. Let's say I ... : 1. When not using mappedBy, like in example above, detached objects are visible even after closing em. 2. When using mappedBy in class B (this is the case in my code), detached objects from relation |
68 | Removing objects where ManyToMany relationships exist Lorenz It is application responsibility to prevent broken references. When an OtherEntity object ... to access a removed object via a broken reference throws exceptions. Is it always the same kind ... well enough, even if there's millions of Entity and OtherEntity objects in the database |
68 | Embedding Managed Entities in Embedded Objects = bad ideaDiscovered that you can't embed entities in embeddable objects if the entity is managed. Haven't tried embedding un-managed entities in embeddable objects, though I imagine that's not a great idea. The the error message isn't all that obvious (attempting to persist object which already has an id |
68 | selecting objects that have a particular key/value in persistant HashMap, String> called 'pMap' as a persistable field. I am able to create Person objects and persist them as ... that the pMap field of some Person objects has the key/value pair "location'/'California'. Can I create a JPA query that selects such objects? Something like the following (but clearly does not work) : SELECT p |
13 | JPA Composite Key make Object Db throws "Unexpected exception (Error 990)"Hello Object Db community :) I am using this wonderful library and I caught a strange exception ... are compliant with the object Db Documentation: http://www.objectdb.com/java/jpa/entity/id Unfortunately, while merging the entity, object db is throwing the following Exception : [ObjectDB 2.4.0 |
13 | Sort of very large objects - out of memory the following actions: 1) Create 5 persist threads which create and persist a large object in a loop 100 times each 2) Create 5 get threads which read 100 objects each in a loop based on object ... objects. This requires a fix, but meanwhile, adding a composite index can solve the problem: @Entity |
13 | Objects are not garbage collected be able to remove these objects? Thanks, Toby btc_es BTC EmbeddedSystems btc_es BTC EmbeddedSystems It is unclear from these images if there are paths of strong references from root objects ... , CodeInterfaceObjectMergedImpl, NormalizedAccessPathImpl, etc.) Apparently that UnitOfWorkContext holds many entity objects |
