@Transactional(propagation = Propagation.REQUIRES_NEW, readOnly = false)
    public Status newTransactionTest() {
    logger.info("newTransactionTest() INNER");
    Company company = companyDAO.findOne(10000013);
    company.setName(company.getName() + "X");

    return Status.OK;
  }

  @Transactional(propagation = Propagation.REQUIRED, readOnly = false)
  public Status test() {
    logger.info("test() BEFORE");
    Company company1 = companyDAO.findOne(10000013);
    String before = company1.getName();

    // run in a new transaction
    applicationContext.getBean(beanName, AdminService.class).newTransactionTest();

    logger.info("test() AFTER");
    Company company2 = companyDAO.findOne(10000013);
    String after = company2.getName();

    logger.info("COMPANY NAME BEFORE: " + before);

    logger.info("COMPANY NAME AFTER: " + after);

    return Status.OK;
  }

test() BEFORE
connection: 122 select company0_.name as name7_4_0_ ... where company0_.id=5000062
newTransactionTest() INNER
connection: 123 select company0_.name as name7_4_0_ ... where company0_.id=5000062
connection: 123 update Company set name='TestorexX' where id=5000062
connection: 123 commit
test() AFTER
connection: 122 select company0_.name as name7_4_0_ ... where company0_.id=5000062
COMPANY NAME BEFORE: Testorex
COMPANY NAME AFTER: Testorex

SHOW VARIABLES WHERE Variable_name ='tx_isolation'

<property name="hibernate.connection.isolation">2</property>

1: READ UNCOMMITTED
2: READ COMMITTED
4: REPEATABLE READ
8: SERIALIZABLE

SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED