Recent posts

Integrate the AuthManager of Neo4j’s Java Driver with Spring Boot

The following post is more a less a dump of code. Since version 5.8 the official Neo4j drivers supports expiration of authentication tokens (see Introduce AuthToken rotation and session auth support. The PR states: “The feature might also be referred to as a refresh or re-auth. In practice, it allows replacing the current token with […]


The best way to use Testcontainers from your Spring Boot tests!

After a long time of blog hiatus, I was in the mood of trying out one of these “The best way to XYZ” posts for once. While Spring Boot 3 and Spring Framework 6 releases have focused a lot on revamping the application context and annotation processing for GraalVM native image compatibility (and “boring” tasks […]


Spring Data and Spring Data Neo4j join the “No OFFSET Movement!”

Markus Winand has blogged about tool support for keyset pagination nearly a decade ago and of course my friend Lukas Eder has picked up that topic and did not only blog about it several times but implemented tool support with the the synthetic seek-clause of jOOQ. As the seek clause in jOOQ is excellent for […]


Weekly digest 2022-50

While listening to the beautiful Kahedi Radio Show, I’m having a hard time this week to put down words; I feel done for the year. Wrt music, one interesting documentary I watched last week was this: It’s about the ever increasing prices of concert tickets and about the business of Ticketmaster, Livenation and Eventim. And […]


Weekly digest 2022-49

This has been a somewhat bleak and dark week and I’m not feeling overall happy, I have to say. The weekend was pretty excellent with me doing the ATG-Winterlauf for the forth time: Despite being now way too much over 40, I just got faster every time. 16km with a pace of 4:16. That is […]


Weekly digest 2022-48

It’s getting bleak outside but as you might have guessed, it does not stop me from getting outside. Last week I managed to increase my Veloviewer maximum square to 40×40 tiles. That is kinda of an online game connected to Strava. I am a big fan of both services. The goal with the squad is […]



Hi! My name is Michael Simons. I live in Aachen and create software for a living. You can read more about me on the "About me" page. This blog mostly contains posts about Java and Softwarearchitecture with a strong focus on the Spring eco system.
Below is a list of featured posts and a collection of talks. Featured posts are either part of a bigger series, have a relevance somewhere else or are just posts I like.
See all posts in the archive. Just another nerd blog is more than 10 years old and the archive has become quite huge.
Good stuff cannot be achieved alone. A salute to several great people in my life: NetBeans Dream team and more. And certainly, lots of ❤️ to my family and my wife who always supports me and my crazy ideas.