Apache Log4j CVE-2021-44228
Everything foojay collected on Log4Shell (CVE-2021-44228): the RCE itself, the LDAP attack vectors on recent JDKs, how to find out what …
Week in review: 13 December 2021
New authors
Welcome to Roy van Rijn, Tarek Oraby and Graham Cox, who published their first article on foojay.io this week.
Published this week
Log4Shell: Critical Log4j RCE Vulnerabilty -- Update to Version 2.15.0
On Dec.10, 2021, a new, critical Log4j vulnerability was disclosed: Log4Shell. All current versions of log4j2 up to 2.14.1 are vulnerable.
Native-image with Quarkus
Quarkus brings an exciting take to the table. Unlike Micronaut, it doesn't generate additional bytecode during each compilation.
Log4j2 Isn’t Killing Java
Java developers typically choose from several logging systems or facades. Many of these logging frameworks have grown to work together.
Java Thread Programming (Part 9)
Let's continue the discussion and share a few more thread-safe classes that we can use in our day-to-day coding!
Fail-Fast Reliable Software Strategy. Debug Failures Effectively
A broken kitchen appliance leads me down the path of intelligent failure, downside risk, exponential growth and Cloud computing!
MQTT on Raspberry Pi: Sensor Data to HiveMQ Cloud with Java and Pi4J
Get started with HiveMQ and publish the data of up to 100 devices to an always-on, maintenance-free message broker for free.
7 Reasons to Choose Apache Pulsar over Apache Kafka
When you set out to build the best messaging infrastructure service, the first step is to pick the right underlying messaging technology!
Log4Shell / Leak4J
Over the last couple of days (and nights) I’ve been studying the new (extremely dangerous) vulnerability in log4j2 called Log4Shell.
Build Web Apps in Pure Java with Vaadin Flow
In this guide, learn how to build a small but fully functional ToDo application in pure Java using Vaadin Flow.
Build a Status Dashboard Using Spring Boot and Astra DB
Learn how to leverage the Astra Document API on top of Cassandra to build a dashboard of statuses, with Spring Boot for rendering. …
What is GitOps? What are its benefits?
Let's understand what GitOps is and its benefits and learn how ArgoCD can help with the continuous delivery of Kubernetes-based …
Java Logging: What To Log & What Not To Log?
A pragmatic guide to Java logging—what should we log, what shouldn’t we log, and how to implement Java logging properly.