ObjectDB Database Search

51-100 of 104 results

Is it possible to using JDO and distributed transaction?

)。 Is ObjectDB also provided JCA util just like DataNucleus? Reference :     Spring Framework Reference Documentation       JCA, JTA, and JDO Transactions - Using ... . The solutions that are described in your references have never been tested in ObjectDB

ClassCastException of same object type

the following stack trace. [ObjectDB 2.2.8] javax.persistence.PersistenceException Failed to get reference ... by: com.objectdb.o.UserException: Failed to get reference value of field field org.sportscoring.ssv

Jboss 6 persistence.xml startup error

. (PersistenceUnitInfoImpl.java:124) [:2.0.0] I have followed the examples also - but none refer to the jta ... datasource it requires a SQL driver (confusing a bit!). Anyhow solved this without referring to the API

EntityManagerFactory objects being locked during EntityManager creation

Issue Details : We've been observing lately an issue with ObjectDB wherein the EntityManagerFactory objects are being locked during EntityManager object creation.  Please refer the below stacktrace. Complete thread dump is also attached to the ticket for your reference . "https-openssl-nio

OneToMany and cascade delete problem

is deleted. Otherwise a broken reference from Store to the deleted Product is formed. support Support I ... reflection mode (with enhancement, weak references are used more intensively, so Product instances

WebSphere Liberty Configuration

to obtain an object instance for the java:comp/env/guest.GuestDao/em reference . The exception ... was unable to obtain an object instance for the java:comp/env/guest.GuestDao/em reference . The exception

newbie - lots of exeptions

: message [ObjectDB 2.4.4_16] javax.persistence.PersistenceException Failed to get reference value ... .UserException: Failed to get reference value of field field com.prohire.agent.entities.CompanyLocation

Database size is much larger than expected (x2)

, regardless of how many references , the original data has to be only one. Why objectdb stores it many ... objects have identity and support multiple references without duplication. All the other types

IDs of Entities suddenly became UUIDs?

It is not that simple. For example, changing IDs may affect other objects that reference these objects

Low performance when getting grove roots

Hi, I have a grove-like structure of objects, every objects referencing its parent. Root objects have null as the value of this parent reference . To find the roots I execute a query. If the number of objects in the tree is significant, this query takes almost forever, it seems ObjectDB loads

"Failed to serialize instance" of Set problem

reference :-( Regards, Vladimir tsichevski Vladimir Tsichevski Build 2.4.7_06 should add support

Getting Unexpected internal exception when updating entity in MEM db

Hi, I am using mem db. When am doing Merge operation getting "com.objectdb.o.InternalException: Unexpected internal exception" this exception for some cases.Can you please explain me the reason. Please find the below stack trace for your reference . Caused by: com.objectdb.o.InternalException

ObjectDB Manual

Hello, I would like to be able to read or refer to the ObjectDB manual (v2) on my Kindle. Unfortunately, I didn't find any option to download the manual, either as a .pdf (most convenient) or as a zipped set of .html files (a single file would be better for an easier conversion to .pdf

Evaluation License

when the license page included the following paragraph (to which the answer refers ): "If you are a single

Problem with @UniqueConstraint

) String name; } }   pezi Peter Sauer @UniqueConstraint is an ORM annotation. It references RDBMS

persisting object with long[][] arrays of array

(as you save a lot of small allocations and space for references ), not just in persisting to the database. support Support

Is 2 level cache in use?

"); This is an instruction to the ObjectDB server to return references rather than entity objects as results, which can help

Memory use in OneToMany relationships

? I would assume so and can this be worked around by having PicData a  reference to the Pet like

Error with org.springframework.data.jpa.domain.AbstractPersistable

I am working on a Spring Boot application. I want to integrate ObjectDB with Spring Data JPA. I refer to the http://www.objectdb.com/database/forum/860 to do the configuration. When I start up my application, I got below error. It seems like ObjectDB does not support a generic @ID in the super

Using of Second Level Cache

, so references from a MyEntity1 instance to MyEntity2 and  MyEntity3 objects are stored in the 

General Performance Issues Illustrated with a Specific Method

that. Please refer to my first post on https://www.objectdb.com/forum/2857 for details. MOH-SL

TemporalType injection with Calendar using JPA

;The term persistable types refers to data types that can be used in storing data in the database

Storing objects problem

adding an annotation to a reference :   @OneToMany(cascade=CascadeType.PERSIST)   

How to Remove records from many to many relationship tables in JPA

; Caused by: java.sql.SQLException: The DELETE statement conflicted with the REFERENCE constraint

Online Backup in client-server mode

(symbolic link) under the ObjectDB home directory referring to your preferred external directory

Issue with compile time enhancement

) is listed as having been enhanced. I am running with ObjectDB in embedded mode via a reference

Memory Leak in EntityManagerFactory ?

manager. Is there something to do after closing the entity-manager and set the reference to null? best

objectdb got hang after fetch some record.

.   Manoj Manoj Kumar Maharana please find the attachment of thread dump for your reference

objectdb (licensed) + github action error

. Their proyects refer to its licensed objectdb.jar . The github machines are created ad-hoc

How to disable Transparent Update.

for your reference .   Manoj Manoj Kumar Maharana You cannot disable transparent update. You can detach

Replicated cluster recovery

via PMF? Switching is automatic - between a main url and backup urls, which may also reference

PersistenceManager.getObjectsById(Collection,boolean) throwing JDOException

references PMImpl.getObjectsById() on line 511. At the bottom of that stack trace I see: Nested

Navigation to Collection Elements

automatically from the database. This is sometimes referred to as transparent persistence (or

How to package orm.xml when using EJB in WAR?

;       and the persistence.xml references this orm.xml :    

Get the last occurence of a list attribut

much better performance than subqueries) is to maintain a reference to the last label directly in every RO object. support Support

com.objectdb.o.InternalException NPE

navigation through a broken reference (probably a reference to a deleted object) during query execution

Unexpected exception (Error 990) com.objectdb.o.InternalException

;  // Keep a strong reference to the embeddable but free the entity:      ... .getTransaction().commit();         // Keep a strong reference

ObjectDB 2.6.5

Added optional (experimental) support of using clients with different object model versions. Changed references to new flushed objects from ObjectDB to weak references . Cancelled an exception on cascading removal of an already removed object. Renamed internal Enhancer hidden methods to non

ArrayIndexOutOfBoundsException on flush

...) felixobjectdb Richard Szurgot I updated to 2.3.3 and get the same errors as above. The entity referred

JDO PersistenceManager.getSequence() returns null sometimes

it's a class-level annotation so referring to the sequence with the fully qualified class name sounds right

ObjectDB 2.0.4

Added support for JTA and Java EE Containers ( issue #8 ). Fixed a bug in indexing entity objects. Fixed a bug in fixing broken references in ObjectDB Doctor. Fixed a bug in modifying enhanced detached embedded objects. Fixed a spring transformer (LoadTimeWeaver) problem. Fixed a class

Why does ObjectDB duplicate classes from javax.jdo:jdo-api?

that produces the warnings I am referring to: https://github.com/leblancjs/objectdb-jdo-duplicate-classes

javax.servlet.ServletException: Annotated methods must follow the JavaBeans naming convention. __odbHidden_getPropertyName

. The only references to widthPxSideBarLeft in all Java files are those given above. I am convinced

auto-generated uuid fields

. If you provide references that show that JPA should support it as a generated value

Eager load Map

- thats fine by me. Just for reference what environment are you running in? (Just in case I can track

probable error in text of manual about embeddable classes

case by case consideration." If you try to share an embeddable object, i.e. include a reference

NullPointerException on initial database creation

it may be related to having a class annotated with @Startup or @ApplicationScoped that references

Lazy retrieval by access not working correctly

() returns a reference to the map, but should not load the map content. The content is loaded

ObjectDB enhancement fails on "is" form for @Transient boolean isLoaded(), ok for "getter" form @Transient boolean getLoaded()

isPreferred() { ... } ... Although some of your online docs refer to JavaBeans set and get methods

Feature suggestion: auto-detection of entities via persistence.xml extension

system: hibernate.archive.autodetection https://docs.jboss.org/hibernate/entitymanager/3.6/ reference /en