The curious case of misrendered JSON
Recorded at #adaptTo() 2023
https://adapt.to/2023/schedule/the-cu...
Jakub Wądołowski, diva-e
Have you ever felt that AEM is playing tricks on you? I bet you have. This is one of those stories - the more you dig in, the less you understand.
That was a classic headless setup - AEM’s role was to expose content via REST-like JSON API so various applications can consume the data. Things were running smoothly, but one day a misrendered JSON shows up - a set of mandatory properties just disappeared from the object. The case got thoroughly investigated, however no one could even reproduce it. Nothing has changed at JCR level, there was no deployment in the meantime and when you visit the exact same URL all the data are correct. “Oh, that must have been a one-off incident” someone said. The ticket gets closed and life goes on. A week after similar issue got reported - a different JSON object is broken this time, but at least you can reproduce it. Unfortunately, an hour later the problem magically goes away. Time passes by and a slightly different variant of the problem surfaces in production - you keep requesting affected URL and the response alternates between completely valid JSON and its broken form. Your team hops on a call to get to the bottom of the problem, but in a matter of minutes it just vanishes without a trace again.
Interested in what happened and where we ended up? That’s what the talk’s going to be about.
00:00 Intro
00:20 The curious case of misrendered JSON
30:15 Q&A
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