jpa

JPA's Nasty "Unknown abstract schema type" Error

I'd been trying to debug the following error for days, and it drove me crazy. The problem, in a nutshell, is that JPA refuses to compile one of my...

1 replies - 3630 views - 01/13/09 by Khoo Chen Shiang in Tips and Tricks

OpenXava 3.1: AJAX Application from JPA Entities

OpenXava 3.1 is a framework to develop Java Enterprise applications in a different way: OpenXava avoids MVC. You provide only your POJOs annotated with JPA and...

1 replies - 1459 views - 12/19/08 by Javier Paniza in Announcements

DataNucleus AccessPlatform 1.0.3 & 1.1 Milestone 3

DataNucleus AccessPlatform provides persistence of Java objects to RDBMS, LDAP, XML, db4o, NeoDatis, Excel and JSON datastores. We have just released version...

0 replies - 1467 views - 12/12/08 by Andy Jefferson in Announcements

Ebean ORM v1.0.0 Released - Adds Declarative @Transactional Support

Ebean v1.0.0 introduces support for declarative transactions via a @Transactional annotation. This means you can add the @Transactional annotation to a method...

0 replies - 890 views - 11/26/08 by Robin Bygrave in Announcements

Ebean ORM v0.9.8

Ebean ORM adds support for Enhancement via javaagent, Eclipse IDE Plugin and ANT task to existing Subclass Generation approach. The User Guide includes a...

1 replies - 1424 views - 11/01/08 by Robin Bygrave in Announcements

Metawidget 0.6: New Support for Swing AppFramework, JBoss jBPM & More

Metawidget is an Open Source 'smart UI widget' that populates itself at runtime with UI components to match the properties of your business objects.In addition...

0 replies - 1964 views - 10/08/08 by Richard Kennard in Announcements

On The Need of OSGi-compatible JSR API Class Libraries

Although JSR APIs are generally simple to use, they introduce a lot of difficulties when used from OSGi Environments. The main two problems they introduce are:

0 replies - 2098 views - 09/04/08 by vladrin in Articles

DataNucleus AccessPlatform 1.0

0 replies - 1000 views - 09/01/08 by Andy Jefferson in Announcements

OpenXava 3.0.3: JPA Application Engine

OpenXava is a JPA Application Engine. You put in your JPA classes and, in exchange, you obtain a full-featured application ready for production, and without...

0 replies - 2129 views - 08/19/08 by Javier Paniza in Announcements

Metawidget 0.55: New Support for GWT, Groovy, and More

Metawidget is an Open Source 'smart UI widget' that populates itself at runtime with UI components to match the properties of a given business object. In...

0 replies - 3005 views - 07/15/08 by Richard Kennard in Announcements

TopLink Makes Transition to Open Source

The Eclipse Persistence Services project (EclipseLink) has completed its incubation phase and the 1.0 release is available for download. This release completes...

5 replies - 7605 views - 07/10/08 by djclarke in Articles

Introducing EclipseLink

The Eclipse Persistence Services Project, more commonly known as EclipseLink, is a comprehensive open source persistence solution.  EclipseLink was started by...

9 replies - 63223 views - 06/30/08 by djclarke in Articles

My JPA 2.0 Wish List

Until now we have enjoyed easy persistence using JPA 1.0. It's true that JPA 1.0 has some limitations, but now our friends from JSR-317 are working hard to...

24 replies - 5681 views - 06/11/08 by Javier Paniza in Articles

OpenXava 3.0.2: JPA Application Engine

OpenXava is a JPA Application Engine. You put in your JPA classes and, in exchange, you obtain a full-featured application ready for production, and without...

0 replies - 2032 views - 06/05/08 by Javier Paniza in Announcements

Free EJB3 Cheatsheet from DZone Now Available

DZone continues its Refcardz series with a new, free PDF cheatsheet on dependency injection and EJB3. Written by EJB expert author, Debu Panda, it covers all...

1 replies - 4091 views - 06/02/08 by Nitin Bharti in News