Upgrading JJWT on Spring Boot 3.3.x This article aims to provide details on how to fix JJWT exceptions when running the Cloud Native image, built with GraalVM. Based on recent changes, from JJWT version 0.12.7 and above, JJWT changed how builders ...

Caffeine caching on Spring Boot Hello guys. This is a quick tutorial to get you started with Caffeine caching on Spring Boot Context and background: I'm developing a REST API that needs to decodes and authenticate users using Auth0 and OAuth2. The...

Staying on top of new versions Before jumping into the topic, I'd like to make you this provocative question: Are you sure your side projects, perhaps your SaaS, or maybe on your work, have the updated dependencies? Have you ever considered this im...

How to solve 401 error on Mailgun API request Disclaimer: This solution is for a Spring Boot API, but might help you on different languages. I've been fighting this error for over one hour, and the solution is quite simple. When authenticating yo...