4.0.0 org.apache.openjpa openjpa-persistence jar JPA JPA http://incubator.apache.org/projects/openjpa org.apache.openjpa openjpa 0.0.1 org.apache.openjpa openjpa-kernel-5 ${pom.version} compile javax.persistence persistence-api 1.0 compile org.apache.maven.plugins maven-compiler-plugin 1.5 1.5