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 4.1.x releases is an implementation of the Jakarta Persistence API 3.1 specification is the most current
