First and foremost, we need an account that provides access to OMCS; this can be a trial account. We are not going to walk you through the process of applying for an OMCS trial service, as many of Oracle's services are straightforward and the chances are you may have used a trial account to get started with ICS. OMCS can be found at https://cloud.oracle.com/messaging. Additional information on setting up OMCS can be found at https://oracle-integration.cloud.
Tip
For some Oracle PaaS solutions to work together, they are required to work within the same domain (that is, the domain ID provided when commissioning the service). Note that this is not the case for web services using WSDL and SOAP, but for other connections it is necessary. If in doubt, talk with Oracle before commissioning the services.
Once the service has been activated, no additional preparation with OMCS is needed, as our Java application will create the queues.
As you can see in the preceding diagram, we will need...