Three days of conference, Quarkus all the way

At the beginning of February, the biggest Scandinavian developer conference “JFokus” took place in Stockholm. Within 3 days there were many interesting lectures on topics like “Distributed data management in a microservice architecture”, a workshop on how to write your own Java agents, several lectures on garbage collectors and memory optimization. But the most common […]

Improved pipeline build time with Maven, Jenkins and Surefire

Currently, I am dealing with a bug that leads to unstable build times. The setup consists of Jenkins, Maven and the Surefire Test plugin. Through this work, I’ve come across the fact that all the optimizations we use on our developer machines never found their way into our Jenkins pipeline. So then I started tuning […]

A trip to Sweden – JFokus 2020 Preparations

This year I will attend the JFokus conference in Stockholm, Sweden. It’s Swedens largest developer conference, with about 2000 attendes. The 2020 event is currently sold out and a waiting list is active. My current itinerary for the event Monday Tuesday Wednesday – Distributed data management in a microservice architecture – The Basics of Machine […]

Why your stateless Spring Boot Service still creates HTTP sessions

About two years ago I rolled out the first productive Spring Boot application within OpenShift. One of the problems we met back then was opening HTTP sessions even though we only rolled out a stateless REST server. A few days ago, there were problems with another REST service. When I was called up and saw […]

Java 8 vs Java 11 – Productive business application benchmark

Last week I could finally migrate a productive business application from Java 8 to Java 11. Until now the Continues Integration Pipeline didn’t support Java 11 completely. As that changed last week I could finally deploy the application on the clients OpenShift cluster. The application is a simple CRUD-Rest Service on top of an Oracle […]