openjpa « EJB « JPA Q&A





1. Memory leak in Websphere 7 + EJB3, a lot of instances of ClassMapping    stackoverflow.com

sorry for my english, I speak spanish. I recently migrate an application from ejb 2.x to ejb3 (approx. 300 entities), Im using WebSphere 7.0.0.9. After 10 hours of work, the system crash with ...

2. Websphere 7, MySQL, EJB3 & OpenJPA    coderanch.com

Please! is there anyone out there who has ever actually written an app using EJB, WAS7/openJPA because I can't get my to work and have been trying for a week to do a simple 'insert' into my database! I used to use Glassfish with Toplink and everything was fine, apart from the fadct Glassfish isn't very good as an app server. ...

3. EJB3 vs Hibernate vs Toplink vs OpenJPA    coderanch.com

EJB3 entity beans mean JPA beans. As such, this is 'just' a specification of the API, behaviour, semantics. JPA by itself is not usable, it requires someone to implement the specification. Such implementations (called JPA providers) are: Oracle TopLink Essentials* (reference implementation of JPA1), Hibernate (JPA1 and JPA2 recently with HB 3.5), EclipseLink (JPA1 and reference implementation of JPA2, TopLink donated ...

4. OpenJPA + DB2 + WebSphere    java-forums.org

package entity; import java.io.Serializable; import javax.persistence.*; @Entity @Table(name = "BINDING") public class Binding implements Serializable { private static final long serialVersionUID = 1L; private Long bindingId; public Binding() { } @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Column(name = "BINDING_ID", unique = true, nullable = false) public Long getBindingId() { return this.bindingId; } public void setBindingId(Long bindingId) { this.bindingId = bindingId; } }