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Object as parameter results in exception

Hi, I've got a simple JPA2 Criteria query which fails when doing an object equality. I verified ... .info("Fetching type: {} with id {} with company: {}", new Object[]{managedClass, primaryKey, company ... : {}", new Object[]{managedClass, primaryKey, company});   CriteriaBuilder qb = getEntityManager

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

Error 613 - i cant put a list<Athlete> into a Squad object

which stores Athlete Objects, the Athlet has another embeddedCollection of Marks ... that on commit all the objects that are reachable from objects that you persist are also persistent ... cascading persist. See the Storing JPA Entity Objects page in the ObjectDB manual for more details. support Support

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

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

Object DB Explorer fails to open database

Hello, I am trying to integrate Object DB into my tapestry project which will use spring-security ... . The code runs fine. i.e. Role objects are getting persisted in the database. But when I try to open the database using Object DB Explorer, it fails. I have attached all the related files. Regards, Md

GROUP BY and HAVING clauses

properties of generated groups instead of individual objects and fields. The position of a GROUP BY ... clause. When a GROUP BY clause exists in a JPQL query, database objects (or tuples of database objects ... over all the Country objects in the database. The GROUP BY clause groups these Country objects by

Shared (L2) Entity Cache

Every EntityManager owns a persistence context, which is a collection of all the entity objects ... an entity object that is already managed by the EntityManager returns the existing instance from the persistence context, rather than a newly instantiated entity object. The scope of the persistence context

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

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

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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