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Last updated 2 days ago
Building a Containerized Quarkus API on AWS ECS/Fargate With CDK
2 days ago
In a three-article series published recently on this site (Part 1, Part...
From Symptoms to Solutions: Troubleshooting Java Memory Leaks and OutOfMemoryError
2 days ago
Troubleshooting memory problems, such as memory leaks and OutOfMemoryError, can be an...
When Memory Overflows: Too Many ApplicationContexts in Spring Integration Tests
7 days ago
In Spring, the ApplicationContext is the central container object that manages all...
How to Map PostgreSQL JSON Data Types in Java Using asentinel-orm
8 days ago
It isn’t seldom when software products need to easily and efficiently manage...
Debugging Performance Regressions in High-Scale Java Web Services: A Systematic Approach
9 days ago
High-scale, real-time services live under unforgiving economics. Ad tech and similar platforms...
Gatherers in Java: What They Are and Why They Matter
9 days ago
Java 8, released more than a decade ago, is a major milestone...
The JVM Pause That Wasn't: A War Story
14 days ago
In high-performance computing, we are trained to hunt for bottlenecks in our...
JPlus: A Modern Java Superset Language
15 days ago
JPlus is a Java superset language running on the JVM that enhances...
Top Takeaways From Devoxx Belgium 2025
16 days ago
In October 2025, I visited Devoxx Belgium, and again it was an...
Building Reactive Microservices With Spring WebFlux on Kubernetes
21 days ago
Migrating from a monolithic Java 8 system to a reactive microservice architecture...
Writing (Slightly) Cleaner Code With Collections and Optionals
24 days ago
Kilo is an open-source project for creating and consuming RESTful and REST-like...
Set Up Spring Data Elasticsearch With Basic Authentication
24 days ago
Recently, I wrote the Introduction to Spring Data Elasticsearch 5.5 article about...