Alexander Reelsen

Alexander Reelsen is a Developer & Advocate, Dad, works since 2013 distributed at Elastic, is interested in search, scale, JVM, crystallang, serverless and Basketball.

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What do you know about the code changes that were just introduced into the codebase? When will you notice if something goes wrong?

Stable, Secure, and Affordable Java

Azul Platform Core is the #1 Oracle Java alternative, offering OpenJDK support for more versions (including Java 6 & 7) and more configurations for the greatest business value and lowest TCO.

Jakarta EE 11: Beyond the Era of Java EE

This user guide provides a brief history of Java EE/Jakarta EE and a detailed overview of some of the specifications that will be updated in Jakarta EE 11.

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Handling JDK & GC Options Dynamically in Elasticsearch

Today we will dive into the start up of Elasticsearch, how it parses the configurable JVM options and how it can ergonomically switch between JVM options on startup. As you can see, properly handling and parsing as well as choosing good default JDK options like switching from one garbage collector to another involves quite a bit of steps, infrastructure, testing, running in production & verification - and the same probably applies to your own applications as well.

Oct 28 6,1K

Alexander Reelsen

Elastic

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The hottest #Java unconference in the world is coming back 27-31 July 2026 (starting evening of 26th). Deep discussions about Java and life. We are making some seats available using a lottery system. Draw will be on Friday the 20th Feb. Sign up here: https://www.jcrete.org/lottery

08:45 PM · February 09, 2026

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Confession: I usually lose the Flow switching between Quality Gates and Code 📉😅

But I connected @claudeai + #SonarQube via #MCP

Verify & Fix vulnerabilities without touching the mouse.
Zero context switching. Pure flow. 🚀

https://foojay.io/today/claude-code-sonarqube-mcp/

#Java #AI @foojayio

03:56 PM · February 02, 2026

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Hola Java devs! 👋 The #SonarQube AI Code Assurance #article is LIVE on @foojayio ! 🎉

Stop just finding bugs. 🛑 Use SonarQube's new AI "Magic Button" to auto-fix them instantly! 🤯🪄

Crush that tech debt fast. 🚀☕️ #Java #AI @SonarSource

https://foojay.io/today/sonarqube-part-4-ai-code-assurance/

04:44 PM · January 19, 2026