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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 4.1.x releases is an implementation of the Jakarta Persistence API 3.1 specification is the most current production ready release.
The 4.0.x releases is an implementation of the Jakarta Persistence API 3.0 specification.
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.
 
Download Apache OpenJPA
 
 
Quick Start Guide
 
 
User's Guide
 
Resources¶
Quick Start Guide to OpenJPA
Obtaining OpenJPA
OpenJPA Documentation
Integration with Containers and Application Servers
Enhancing entities with Maven2
OpenJPA can be browsed (and checked out using GIT
from): https://github.com/apache/openjpa/
Bugs and other issues can be reported at: http://issues.apache.org/jira/browse/OPENJPA
Development questions can be addressed to: mailto:dev@openjpa.apache.org
(archives)
OpenJPA development resources
Events and News¶
Francesco Chicchiriccò posted on 2025-05-15
OpenJPA 4.1.1 Released!
The Apache OpenJPA community is proud to announce the release of OpenJPA 4.1.1!
Francesco Chicchiriccò posted on 2025-03-24
OpenJPA 4.1.0 Released!
The Apache OpenJPA community is proud to announce the release of OpenJPA 4.1.0!
Francesco Chicchiriccò posted on 2024-09-23
OpenJPA 4.0.1 Released!
The Apache OpenJPA community is proud to announce the release of OpenJPA 4.0.1!
Mark Struberg posted on 2024-02-14
OpenJPA 4.0.0 Released!
The Apache OpenJPA community is proud to announce the release of OpenJPA 4.0.0!
Francesco Chicchiriccò posted on 2022-03-19
OpenJPA 3.2.2 Released!
The Apache OpenJPA community is proud to announce the release of OpenJPA 3.2.2!
Mark Struberg posted on 2020-09-04
OpenJPA 3.1.2 Released!
The Apache OpenJPA community is proud to announce the release of OpenJPA 3.1.2!
Francesco Chicchiriccò posted on 2018-06-14
OpenJPA 2.4.3 and OpenJPA 3.0.0 Released!
The Apache OpenJPA community is proud to announce the release of OpenJPA 2.4.3 and 3.0.0!
Francesco Chicchiriccò posted on 2017-01-06
OpenJPA 2.4.2 Released!
The Apache OpenJPA community is proud to announce the release of OpenJPA 2.4.2!
Mark Struberg posted on 2016-08-18
Work on OpenJPA 3.0.0 started!
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.
Copyright © 2006,2026 The Apache Software Foundation. Licensed under Apache License 2.0.
Apache OpenJPA, OpenJPA, Apache, the Apache logo, and the Apache OpenJPA project logo are either
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