Here is a RESTful service that uses JPA and JMS within the same transaction

gistfile1.java

	@GET
	@Path("/load")
	public String load() {
		try {
			LOG.debug("Getting Initial Context and looking up resources.");
			Context ic = new InitialContext();
			XAConnectionFactory xacf = (XAConnectionFactory) ic.lookup("XAConnectionFactory");
			UserTransaction ut = (UserTransaction) ic.lookup("UserTransaction");
			XAConnection conn = xacf.createXAConnection();
			Queue workQueue = (Queue) ic.lookup("queue/WorkQueue");
			
			LOG.debug("Starting JMS session");
			Session session = conn.createXASession();
			MessageProducer producer = session.createProducer(workQueue);
			
			LOG.debug("Starting transaction");
			ut.begin();
			EntityManager em = ((EntityManagerFactory) ic.lookup("java:comp/env/persistence/em")).createEntityManager();
			Account account = new Account();
			account.setName("Test Name");
			
			LOG.debug("Persisting account");
			em.persist(account);
			
			TextMessage msg = session.createTextMessage("Test Message.");
			
			LOG.debug("Sending text message to JMS");
			producer.send(msg);
			
			LOG.debug("Committing transaction");
			ut.commit();
			
			LOG.debug("Closing everybody");
			producer.close();
			session.close();
			conn.close();
			
			return "TRUE";
		} catch (Exception e) {
			e.printStackTrace();
			return "FALSE";
		}
	}