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Welcome to the Apache OpenJPA projectApache 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 1.x releases (1.2.2 is the latest) are a production ready, feature-rich, compliant implementation of the Java Persistence API (JPA) 1.0 part of the JSR-220 Enterprise Java Beans 3.0 specification, which pass the Sun JPA 1.0b Technology Compatibility Kit. The 2.x releases (2.2.0 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 upcoming 2.3 release is based off of the 2.2.x release stream and will contain some additional features (TBD).
News
Albert Lee posted on Feb 21, 2012
OpenJPA 2.2.0 Released
The Apache OpenJPA community is proud to announce the release of OpenJPA 2.2.0. Please visit our project website to learn more about Apache OpenJPA and Thanks, 
Rick Curtis posted on Jul 27, 2011
OpenJPA 2.1.1 Released
The Apache OpenJPA community is proud to announce the maintenance Please visit our project website to learn more about Apache OpenJPA and Thanks, 
Michael Dick posted on Feb 21, 2011
OpenJPA 2.1.0 Released
The Apache OpenJPA community is proud to announce the maintenance Please visit our project website to learn more about Apache OpenJPA and Thanks, 
Pinaki Poddar posted on Feb 01, 2011
REST on OpenJPA
JEST: REST on OpenJPA has been published as a featured article in IBM developerworks Also there is an upcoming presentation on JEST in San Francisco Java User Group on February 8, 2011.
Donald Woods posted on Aug 31, 2010
OpenJPA 2.0.1 is Available
The Apache OpenJPA community is proud to announce the maintenance release of OpenJPA 2.0.1. As with the prior 2.0.0 release, this distribution is based on the final JSR 317 Java Persistence API, Version 2.0 specification and passes the JPA 2.0 TCK, while remaining backwards compatible with the prior 1.2.x releases based on the Java Persistence API (JPA 1.0) part of Java Community Process JSR-220 (Enterprise JavaBeans 3.0). Additional information on the OpenJPA project may be found at the project web site. Resources
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