Welcome to the Apache OpenJPA project
Apache OpenJPA is a Java persistence project at The Apache Software Foundation
that can be used as a stand-alone POJO
persistence layer or integrated
into any Java EE compliant container and many other lightweight
frameworks, such as Tomcat and Spring.
The 4.x releases is an implementation of the Jakarta Persistence API 3.0 specification is the most current production ready release.
The 3.x releases targetting the JSR-338 Java Persistence 2.2.
It is fully backward compatible compatible to our JPA 2.1, 2.0 and 1.0 releases.
The 2.x releases
(2.4.3 is the latest) are a production ready, compliant implementation of
the JSR-317 Java Persistence 2.0
specification, which is backwards compatible to the JPA 1.0 specification
and passes the Sun JPA 2.0 Technology Compatibility Kit.
The 1.x releases
(1.2.3 is the latest) are an
implementation of the Java Persistence API (JPA) 1.0 part of the JSR-220 Enterprise Java Beans 3.0
specification.
The development of this version is EOL.
Resources
Events and News
The Apache OpenJPA community is proud to announce the release of OpenJPA 4.0.1!
The Apache OpenJPA community is proud to announce the release of OpenJPA 4.0.0!
The Apache OpenJPA community is proud to announce the release of OpenJPA 3.2.2!
The Apache OpenJPA community is proud to announce the release of OpenJPA 3.1.2!
The Apache OpenJPA community is proud to announce the release of OpenJPA 2.4.3 and 3.0.0!
The Apache OpenJPA community is proud to announce the release of OpenJPA 2.4.2!
The Apache OpenJPA community started working on OpenJPA 3.0.0!
Trunk got switched over to the new effort.
This version will target the JPA-2.1 specification.
