public String myWSMethod() throws FileNotFoundException , IOException {
        SqlSessionFactory sqlSessionFactory = null;
            String resource = "ibatis-config.xml";
            Reader reader = Resources.getResourceAsReader(resource);

            if (sqlSessionFactory == null) {
                sqlSessionFactory = new SqlSessionFactoryBuilder()
                        .build(reader);
            }

            SqlSession session = sqlSessionFactory.openSession();
            OneMapper miQuery = session
                    .getMapper(OneMapper.class);
            miQuery.miMetodo("aaaB);

        return "OKEY";
    }