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To use JPA you will need to have the following configurations:

  • Jar(s) containing your:
    • Persistence.xml - which defines your persistence units
    • Entities, Embeddable and MappedSuperclasses
      • These classes should be decorated with the necessary annotations, and/or
      • Be defined in the orm.xml using the XML descriptors.
  • Properties - use these properties to further configure your JPA application.
    • javax.persistence.transactionType - Standard JPA PersistenceUnitTransactionType property, JTA or RESOURCE_LOCAL.
    • javax.persistence.jtaDataSource - Standard JPA JTA DataSource name.
    • javax.persistence.nonJtaDataSource - Standard JPA non-JTA DataSource name.