EnterpriseArchive ear = ShrinkWrap.create(EnterpriseArchive.class, ARCHIVE_NAME + ".ear");
JavaArchive lib = ShrinkWrap.create(JavaArchive.class, "beans.jar");
lib.addClasses(SFSB1.class);
ear.addAsModule(lib);
lib = ShrinkWrap.create(JavaArchive.class, "entities.jar");
lib.addClasses(Employee.class);
lib.addAsManifestResource(new StringAsset(persistence_xml), "persistence.xml");
ear.addAsLibraries(lib);