Real Java devs don’t wait for the next zero-day.
They build self-learning Web Application Firewalls.

Quarkus + DeepLearning4j → adaptive, reactive security.
https://buff.ly/s1TWuaL
#Java #Security #WAF #Quarkus #DeepLearning4j

SFTP Meets PostgreSQL: Building a Smart File Upload System with Quarkus Dev Services
Most file-handling tutorials stop at REST endpoints and a local filesystem.
https://myfear.substack.com/p/quarkus-sftp-postgresql-file-upload-tutorial
#Java #Quarkus #SFTP #FileUpload #ComposeDevServices

Charting Twain: Building a Character Interaction Graph with Quarkus, OpenNLP, and a local Ollama Model. Uncover hidden dynamics in Huckleberry Finn using Java, sentiment analysis, and modern NLP.
https://myfear.substack.com/p/text-analytics-quarkus-opennlp-huckleberry-finn
#Java #Quarkus #OpenLNP #TextAnalysis

Counting Millions of Things with Kilobytes
A Hands-On Quarkus Tutorial for Scalable Unique Counting with HyperLogLog
https://myfear.substack.com/p/quarkus-hyperloglog-unique-counting-java
#Java #Quarkus #GitHub #HyperLogLog

Stable Chores with Java: Building a Fair Assignment API Using the Gale-Shapley Algorithm
Build a REST API That Distributes Household Tasks Fairly
https://myfear.substack.com/p/fair-chore-assignment-java-quarkus-gale-shapley
#Java #Quarkus #REST #FairAssignment #Algorithms

Tired of parsing #AI responses like it’s 2005? #LangChain4j lets you return #Java objects directly from #LLMs. Yes, even your beloved List. @lizeraes breaks it all down.

Code, don’t decode: https://javapro.io/2025/04/23/build-ai-apps-and-agents-in-java-hands-on-with-langchain4j/

@langchain4j #Quarkus @QuarkusIO #JAVAPRO

Time Zones Don’t Have to Be a Nightmare: Handling Dates Properly with Quarkus and Hibernate Panache
Store dates in UTC, convert like a pro, and never mess up a user’s local time again, with just a few lines of code.
https://myfear.substack.com/p/quarkus-java-timezone-best-practices
#Java #Quarkus #Timezone #UTC #Hibernate

The Art of the URI: Crafting a Perfect Breadcrumb Component in Quarkus
Move beyond static links. This guide shows you how to build a smart, zero-configuration UI component that automatically generates perfect breadcrumbs.
https://myfear.substack.com/p/quarkus-qute-dynamic-breadcrumb
#Java #Qute #Quarkus #DynamicUI

Is It Down For Everyone? Build a Live Website Health Checker with Quarkus
Monitor External URLs in Real-Time with MicroProfile Health, YAML Config, and a HttpClient
https://myfear.substack.com/p/quarkus-website-health-check-yaml
#Java #Quarkus #MicroProfile #Health #YAMLConfig

Build a Full-Stack Todo App with Quarkus, Panache, and Qute
From Zero to Web App with a Reactive Backend, Templated Frontend, and Zero Config PostgreSQL
https://myfear.substack.com/p/quarkus-fullstack-todo-app-java-panache-qute
#Java #Quarkus #ToDoApp #Beginner #Developer

Join us next Monday, August 4th, at 9am EST for Quarkus Insights Ep. 214 as Guillaume Smet joins us to discuss efforts to make Quarkus Builds reproducible.

http://bit.ly/quarkusinsights

I needed to set up Keycloak programmatically for my tests and couldn't find a clear guide, so I wrote one!

This is a quick, step-by-step tutorial showing how to take full control of Keycloak in your #quarkus integration tests. Hope it helps you too!

https://www.orpiske.net/2025/08/programmatic-keycloak-configuration-for-quarkus-integration-tests/

Encrypt Everything: Building Secure REST APIs with Quarkus and Custom JSON Processing
Learn how to automatically encrypt and decrypt sensitive fields in your JSON payloads using Quarkus, JAX-RS providers, and AES-GCM.
https://myfear.substack.com/p/secure-rest-api-json-encryption-quarkus
#Java #Security #JakartaRest #JaxRS #Quarkus

Container, die vor vollständigem Download starten: SOCI macht’s möglich. @sascha242 kombiniert SOCI mit #Java & #CRaC – das Ergebnis: bis zu 60 % kürzere Startzeiten.

Lese jetzt: https://javapro.io/de/modernisierung-von-java-anwendungen-mit-amazon-eks-ein-cloud-nativer-ansatz/

#Kubernetes #Quarkus @QuarkusIO #CRaC #Java #AmazonEKS #GraalVM @graalvm

Quarkus 3.25 - Virtual threads for GraphQL, Micrometer update and various new security-related features

#framework #java #quarkus

https://quarkus.io/blog/quarkus-3-25-released/

#Quarkus 3.25 is here! Key highlights:

- Virtual threads support for SmallRye GraphQL
- Micrometer update with Prometheus Client v1
- Fluent API for path-specific authorization
- Periodic async token refresh for OIDC Client
- OAuth2 Protected Resource Metadata support

Next up: 3.27 LTS (feature freeze Aug 12th)

#Java #Microservices #CloudNative

https://quarkus.io/blog/quarkus-3-25-released/

Stop Leaking Stack Traces: Mastering RFC 7807 Error Handling in Quarkus
A Hands-On Guide to Building Secure, Standards-Based APIs in Java Without Exposing Your Backend
https://myfear.substack.com/p/quarkus-rfc7807-error-handling-java
#Java #Quarkus #RFC7807 #JakartaRest

Architecting Multi-Agent AI Systems in Java with Quarkus and Langchain4j
How to orchestrate scalable AI workflows using message-driven agents and local LLMs with Kafka
https://myfear.substack.com/p/multi-agent-ai-quarkus-langchain4j-java
#Java #Quarkus #AiAgents #LangChain4j #Kafka

Building a Real-Time Collaborative AI Editor with Quarkus, CRDTs, and Local LLMs
Learn how to combine CRDTs, WebSockets, and a local LLM to build a fast, conflict-free collaborative text editor with AI suggestions
https://myfear.substack.com/p/real-time-ai-editor-quarkus-crdt-langchain4j
#Java #Websockets #Quarkus #LLM #Ollama #LangChain4j