4.0.0 org.apache.openjpa openjpa-jdbc jar JDBC JDBC http://incubator.apache.org/projects/openjpa org.apache.openjpa openjpa 0.0.1 org.apache.openjpa openjpa-kernel 0.0.1 compile hsqldb hsqldb 1.8.0.1 compile org.apache.maven.plugins maven-compiler-plugin 1.3 1.3