Oracle Visual Builder: Applications That Outlive Their First Release · Module 10 · Validation and error handling
Reading an error from a service
Lesson 103 of 176 · 3 min
Turning a FUSION VALIDATION MESSAGE into something in THE USER'S LANGUAGE AND THEIR VOCABULARY. Module 6 Lesson 7 said a write is refused routinely. This is what to do with the refusal, and there are three bad answers before the good one. THE FIRST BAD ANSWER IS SHOWING THE RAW RESPONSE. A structured payload with nested objects and an internal code is not a message; it is evidence that something happened, displayed to somebody who cannot use it. THE SECOND IS REPLACING IT WITH "SOMETHING WENT WRONG". That discards the one genuinely useful thing in the response — Fusion frequently says exactly which attribute and why, and that is the sentence the user needs. THE THIRD, AND THE MOST TEMPTING, IS MAPPING EVERY KNOWN ERROR TO YOUR OWN WORDING. It reads beautifully for the errors you anticipated and produces nothing at all for the ones you did not — and…
The full lesson is part of the course
The video, the complete written lesson and the module quiz are included in Oracle Visual Builder: Applications That Outlive Their First Release, with a certificate on completion and a fourteen-day refund window.