@Stateless
public class MyBean implements My {
   private static final Logger log = Logger.getLogger(MyBean.class.getName());

   @Resource(mappedName = "jms/MyConnectionFactory")
   private ConnectionFactory connectionFactory;

      public void notifyScheduler() {
      try {
         notifySchedulerOrThrow(); // Line 31
// ...

   
   public void notifySchedulerOrThrow() throws JMSException {
      Connection connection = connectionFactory.createConnection(); // Line 39
// ...