Apache OpenJPA -- IndexWelcome 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 3.x releases targetting the JSR-338 Java Persistence 2.2 is the most current production ready release. I
