Welcome

Hi, my name is Maarten, an IT specialist and Java Champion from the Netherlands! I’m enthousiastic about open source, Java and software architecture. For a better introduction, you can read more about me.

A few years ago, I’ve started this site as a list of personal notes, interesting findings or whatsoever. Over time, I’m adding content that more looks like a regular blog.

Today, it not only serves myself for things I tend to forget, but I know many more people around the global find new insights here. I hope it will be useful for you, too! Let me know what you think by getting in touch with me. For options, see the right pane.

Recent posts

Below are a few recent posts. Enjoy!

Mutation Testing badge with PIT and Stryker Dashboard

Last updated

Earlier, I wrote about integrating PIT with the Stryker Mutator Dashboard. The setup for that was pretty complicated, with some shell scripting that extracted the JSON payload for the report from a JavaScript file. Today, I’m introducing a much simpler approach to that: the Stryker Mutator Dashboard reporter for PIT.

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Playing with Loom

Last updated

If there’s one topic that has kept the Java community excited over the last years, it’s Project Loom. We all know it’s coming someday, but when? What will it look like? And how will it change the way we write concurrent code? In this blog, I’ll try to play a bit with what Loom currently looks like.

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The Dapr SDK for Java: Pub/Sub & Distributed Tracing

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It’s been a while since the first two posts about Dapr! In those first installments, we looked at the basics of Dapr, from a very conceptual point of view. We also looked at the bare minimum HTTP API that Dapr exposes to the applications that use it. But writing enterprise applications that way would be slow, and it would inevitably lead to mistakes. In this article, I will introduce you to a higher abstraction level of working with Dapr.

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Jakarta EE meets Dapr

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Earlier this month, I introduced you to Dapr, the Distributed Application Runtime. That was a mostly conceptual introduction, showing you how Dapr works and what it can do for you. But how do you integrate it into an existing application? That’s the topic for today.

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Getting to know Dapr

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Building distributed applications or microservice applications brings a whole new range of problems. All those application components, or microservices, need to communicate with each other. How will we do that: using messaging, or would direct HTTP calls be a better choice? Often, we must make such decisions early in a project. Since it’s hard to change it later, we call it an “architectural decision”. But this is often an excuse so we can blame the architect if the choice turned out to be wrong.

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