public class FmTrfUtil {
    static int returnVal;
    public static int insertFmTrfs(List<String> trfs, String source) {
        EntityManager em = Persistence.createEntityManagerFactory("RIStore_FM").createEntityManager();
        Session session = em.unwrap( Session.class );
        final String[] trfArray = trfs.toArray(new String[trfs.size()]);
        final String src = source;
        session.doWork( new Work(){
            public void execute(Connection conn) throws SQLException {
                CallableStatement stmt = null;
                OracleConnection oraCon = conn.unwrap(OracleConnection.class);
                Array array = oraCon.createARRAY("VARCHAR2_TAB_T", trfArray);
                stmt = conn.prepareCall("{? = call FM_TRF_UTIL.process_fm_trf(?,?)}");
                stmt.registerOutParameter(1, Types.INTEGER);
                stmt.setArray(2, array);
                stmt.setString(3, src);
                stmt.execute();
                returnVal = stmt.getInt(1);
            }
        });
        return returnVal;
    }
    public static void main(String[] args) {
        List<String> trfs = new ArrayList<String>();
        trfs.add("TRF000005");
        FmTrfUtil.insertFmTrfs(trfs, "SARC");
    }
}

spring.datasource.url=jdbc:oracle:thin:@ldap://xxx:389/risdev3, cn=OracleContext,dc=aaa,dc=bbb,dc=com
spring.datasource.username=risowner
spring.datasource.password=risowner987
spring.datasource.driverClassName=oracle.jdbc.OracleDriver