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Welcome to the Apache OpenJPA project¶

Apache OpenJPA is a Java persistence project at The Apache Software Foundationthat can be used as a stand-alone POJOpersistence layer or integratedinto 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 2.0specification, 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 3.0specification. 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 GITfrom): 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 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.