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Last updated 5 days ago
Building a Containerized Quarkus API on AWS ECS/Fargate With CDK
5 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
5 days ago
Troubleshooting memory problems, such as memory leaks and OutOfMemoryError, can be an...
When Memory Overflows: Too Many ApplicationContexts in Spring Integration Tests
10 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
11 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
12 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
12 days ago
Java 8, released more than a decade ago, is a major milestone...
The JVM Pause That Wasn't: A War Story
17 days ago
In high-performance computing, we are trained to hunt for bottlenecks in our...
JPlus: A Modern Java Superset Language
18 days ago
JPlus is a Java superset language running on the JVM that enhances...
Top Takeaways From Devoxx Belgium 2025
19 days ago
In October 2025, I visited Devoxx Belgium, and again it was an...
Building Reactive Microservices With Spring WebFlux on Kubernetes
24 days ago
Migrating from a monolithic Java 8 system to a reactive microservice architecture...
Writing (Slightly) Cleaner Code With Collections and Optionals
27 days ago
Kilo is an open-source project for creating and consuming RESTful and REST-like...
Set Up Spring Data Elasticsearch With Basic Authentication
27 days ago
Recently, I wrote the Introduction to Spring Data Elasticsearch 5.5 article about...