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10

Query results are not up to date for entities, not primitives

CriteriaBuilder to JPQL or from Entity to Primitive. What´s now? This could be the result of getting query ... operations cannot be used with queries that return values rather than entities, so these queries ... and may result in not being seen by queries: "Updating entity objects in the database using an UPDATE query
Forum
10

Access entity version before commit transaction

Hi, I have a usecase where I need to write the updated entity version to the database before commiting the transaction: 1. Change entity field e.g. from a to b 2. Create a change entry in database containing the new version of the entity So I need to access the version of an updated entity inside
Issue
10

Error during closing an entity manager

common frames omitted We have found a workaround. We have just enhanced the entities and then it works as intended. But why this case does not perform without enhanced entities? The exception may be due to having partial enhancement. Mixing enhanced entity classes with non enhanced entity classes in
Forum
10

Failing to read entities under load in multithreaded tests

to read entities from the database. I've isolated this issue to a fairly simple test case (please see attached eclipse project). I have some test entities listed below. When I run a load test that creates, reads and updates these entities in multithreaded application it sometimes fails to read
Forum
10

Multi-thread access to single EM's entities

If my entity classes have synchronized getters and setters, is it reliable for multiple threads to access a single EM's managed entities, as long as only the thread that created the EM interacts ... on the observable behavior of multithreaded code. When I run this example and examine the database, the entity
Forum
10

Remove a modified entity cause an optimistic lock exception

Hello, the following examples load and modify an entity, and load and remove the same entity ... ). Can you explain the optimistic lock exception? It seems that the first level cache contains yet a dirty entity ... that can still show the unexpected behaviour (i.e. remove unnecessary bundles, entity classes, JPA
Forum
10

Repair broken references in entities

Hello, it is possible to recover an entity that has been removed automatically by CascadeType.Remove. After cascade remove the removed entity will be persisted with the identical primary key. Are all broken references in other entities on this removed/persisted entity repaired again? best regards
Forum
10

@Entity saved in Tomcat session - problem

Hi, I have found a problem, when storing @Entity object in Tomcat session. When starting or ... is to create copy of @Entity class as normal POJO and use it to store in session. The problem ... on this? The exception indicates an attempt to serialize an entity object (when Tomcat stores the session before
Issue
10

ArrayIndexOutOfBoundsException with enhanced Entity

Hi! We have an two entities, the first one is something like: @Embeddable class TestEmbed {...} and the second one: @Entity class TestEntity { private TestEmbed myEmbed = null; public TestEmbed ... of a managed object etc etc.). However It seems to happen only with an embeddable entity embedded
Forum
10

Entity name

created a class named EBResult which looks like this: @Entity(name="RESULT") public class EBResult ... library) I expected to see an object named "RESULT" due to class annotation @Entity(name="RESULT"). Instead I see following: 2.1. Why? Is the @Entity(name="RESULT") ignored by ObjectDB? 2.2