protected void send(HCatEventMessage hCatEventMessage, String topicName) {
    send(hCatEventMessage, topicName, NUM_RETRIES);
  }
@param hCatEventMessage The HCatEventMessage being sent over JMS.
@param topicName is the name on message broker on which message is sent.
hcatalog/server-extensions/src/main/java/org/apache/hive/hcatalog/listener/NotificationListener.java