4.0.0 java-jpa-2 java-jpa-2 com.baeldung persistence-modules 1.0.0-SNAPSHOT org.hibernate hibernate-core ${hibernate.version} org.hibernate hibernate-jpamodelgen ${hibernate.version} com.h2database h2 ${h2.version} javax.persistence javax.persistence-api 2.2 org.apache.maven.plugins maven-compiler-plugin 3.5.1 -proc:none org.bsc.maven maven-processor-plugin 3.3.3 process process generate-sources target/metamodel org.hibernate.jpamodelgen.JPAMetaModelEntityProcessor org.codehaus.mojo build-helper-maven-plugin 3.0.0 add-source generate-sources add-source target/metamodel 5.4.0.Final