As we have already run the Java application, there may well be messages already in OMCS. We are not being definitive here, as a key element of this is the amount of time between testing the application and activating this integration-messages have a defined retention period within OMCS. With the integration activated and ready, we can start up the application, just as we did at the start of the chapter and watch the logs. After a brief period, depending upon timings of processes, we will see the response messages being consumed by the SubscribeToCloud thread from the OMCS ProcessedQueue.

The messages that we will be looking for in our test client are: