Showing Post From Jackson
What Jackson Doesn’t Deserialize for Free: The Empty Array That Took Down a Production Endpoint
A 503. Every 30 seconds, on the dot.
Sentry was empty. The application logs said the request was fine.
Then we looked at what Jackson was actually parsing.
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Jackson From First Principles: What ObjectMapper Does, What It Doesn’t, and When to Write a Custom Serializer
I’ve used ObjectMapper for years without really understanding what it does for free, what it refuses to do, and when you actually need to step in with a custom serializer.