ObjectDB ObjectDB

Internal Website Search

171-180 of 198 resultsRefresh

Failing to read entities under load in multithreaded tests

Hi, We are experiencing an issue in our application that only occurs under load - we sometimes fail 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

How to deploy an Objectdb project with Jboss AS 7?

. Please help ! I use Eclipse Juno and Jboss AS 7.1.1 I get this message: 04:56:01,160 INFO [org.jboss

Remove a modified entity cause an optimistic lock exception

and build the example in eclipse before you execute the plugin test SetAndRemoveIssue. btc_es BTC

Java 6/7 Performance Comparison

with eclipse) andrews-mbp:Desktop aduffy$ java -version java version "1.7.0_51" Java(TM) SE Runtime

java.lang.NoClassDefFoundError: java/time/LocalDate

Following https://www.objectdb.com/tutorial/jpa/eclipse/store get the message: Exception in thread "main" [ObjectDB 2.8.6] Unexpected exception (Error 990) Generated by Java HotSpot(TM) Client VM 1.7.0_51 (on Windows 7 6.1). Please report this error on http://www.objectdb.com/issue/new com

JPA does not seem to be db agnostic

The following jpa code works with mysql but not with objectdb. Why would this happen? The provider the both jpas is the same: EclipseLink. The link for the one used with mysql is org.eclipse.persistence.jpa.PersistenceProvider; the one for objectdb is com.objectdb.jpa.Provider (per the tutorials

problems using the explorer

in Eclipse again: Exception in thread "main" [ObjectDB 2.2.5] javax.persistence

What role is the JDO in ObjectDB?

    @org.hibernate.annotations.Index(name="name") // Hibernate     @org.eclipse.persistence

Schema-Update: Deactivation of automatic entity class removing and introduction of a new class remove in the schema config

Hello, in our application we use ObjectDB in embedded mode as part of the Profile that can be stored and opened by our customers. Our application is an eclipse RCP application with a domain-driven design. The product can be installed in different configurations (in other words with more or

Out of Memory - Slow leak?

I've attached the leak suspects report from Eclipse Memory Manager in the hope it may help. Please let

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support