Oracle Integration Cloud: Building Integrations That Survive Production · Module 10 · Business events and publish/subscribe
Subscribing without losing events
Lesson 104 of 175 · 2 min
What happens to an event raised while your integration is DEACTIVATED, and the catch-up mechanism that has to exist for anything that matters. The honest answer is that it depends and you must not assume. Depending on the mechanism, an event raised while nothing is listening may be queued and delivered later, or may simply be gone. Establish which, for your subscription, by testing it — which is Lesson 8's lab and it takes fifteen minutes. AND DEACTIVATION IS NOT AN EXOTIC STATE. Every version change deactivates and reactivates. Every promotion between environments has a window. A flow disabled during an incident, a maintenance period, an integration somebody switched off to stop it failing. The gap is a normal part of a year. SO ANYTHING THAT MATTERS NEEDS A CATCH-UP MECHANISM, and it is a scheduled sweep. A flow that runs periodically, asks the source for records in a state…
The full lesson is part of the course
The video, the complete written lesson and the module quiz are included in Oracle Integration Cloud: Building Integrations That Survive Production, with a certificate on completion and a fourteen-day refund window.