The JetBrains Blog

You set a breakpoint inside a Spring MVC controller, or a service, send the request to an HTTP endpoint, and nothing happens. The response is back - and it is a 403 (or 401, or a redirect to a login page). At that point, the bug you were trying to catch is no longer the only problem. Now, you nee…

July gave the tech world plenty to talk about, from fresh releases and useful tutorials to Kotlin updates, AI experiments, and new ideas across the wider ecosystem. We packed the best of it into one issue, so you can skip scrolling and get straight to the good stuff. To top it all off, Donald Raab j…

Learn how OAuth2 and JWT work together to secure Spring Boot APIs with token validation, scopes, roles, and fine-grained access control.

Welcome back to another edition of Java Annotated Monthly! As always, we've rounded up the best reads from across the ecosystem so you don't have to go hunting yourself. This month's lineup spans the usual favorites: fresh finds from the Java and Kotlin worlds, a healthy dose of AI developments w…

Learn how to use OpenTelemetry with Kotlin and Spring Boot, and explore the GitHub demo project to see trace IDs in action.

This post was written together with Thorben Janssen, who has more than 20 years of experience with JPA and Hibernate and is the author of “Hibernate Tips: More than 70 Solutions to Common Hibernate Problems” and the JPA newsletter. Spring Data JDBC provides a simple and predictable persisten…

It's safe to say March was defined by one thing: Java 26. In this issue of Java Annotated Monthly, we've curated a rich selection of articles to help you get the full picture of the release. Marit van Dijk joins us as the featured guest author, bringing her expertise to help you navigate the changes…

A lot is happening in tech and beyond, and as we step into March, we have pulled together a fresh batch of articles, thought pieces, and videos to help you learn, connect, and see things from new angles. 

This tutorial walks you step by step through building a modular Kotlin application with Spring Modulith.

Spring’s AOT engine has been around since the Spring Native days, but Spring Data never really benefited from it – until now. Repository infrastructure is one of the most dynamic parts of the framework, and for years it relied heavily on proxies, reflection, and queries generated at runtime. That…

The November edition is packed with insightful, practical, and curiosity-fueling reads. From hands-on advice to thought-provoking pieces, we’ve gathered a nice selection of stories that will help you stay sharp and inspired in the tech world.

Check out the October edition of Java Annotated Monthly by JetBrains.