Debugging JAXB Production Issues
Failures in XML parsing can happen in production when the source data changes. These are notoriously hard to debug... At least until now...
Friends Of OpenJDK Today
Every article on foojay.io, newest first: OpenJDK, the JVM, Java tooling and the ecosystem around them, written by the Java community.
Handling Null: Optional and Nullable Types
Java is infamous for its NullPointerException: calling a method or accessing an attribute of an object that has not been initialized.
Hardware Acceleration For Java? TornadoVM Can Do It!
In this article, learn about TornadoVM, hardware acceleration, and get a thorough overview of the TornadoVM software architecture.
Spring Remote Code Execution Vulnerability
A new issue impacting Spring Core on Java 9 and newer could be the next Log4J. Here's what I know so far (mitigation and investigation).
Quick Fire Java: Java After Log4j
Watch a 10 minute discussion on Log4j, security processes and prioritization, and how Payara dealt with the vulnerability.
5,194 viewsObservability for JVM Frameworks with Grafana in Java and Kotlin
Learn about observability configurations and libraries required over a range of frameworks using two JVM languages, namely Java and Kotlin.
Increasing Event Streaming with Kafka and Azul
In this article you will learn how to switch between two different Java runtime environments to run an Apache Kafka instance.
Debugging Java Equals & Hashcode Performance in Production
Hashcode and equals are at the crux of many hard to nail down Java performance issues. Here's how to track these in production!
APISIX: An API Gateway the Apache Way
Starting with Apache APISIX as your API Gateway is easy as pie. Use Docker, with the APISIX and etcd images, and off you go.
Blink a LED on Raspberry Pi with Vaadin
Thanks to Vaadin, you can get a fully running application with a few clicks. And Adding GPIO-interaction is easy with the Pi4J library.