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Model Routing in Quarkus LangChain4j with Ollama
Build a two-lane Quarkus service that classifies prompts, routes cheap questions to a fast local model, and keeps routing decisions testable and…
Jun 3
•
Markus Eisele
1
1
Separate AI Helpdesk Triage from Remediation Without a Shared Deploy
A hands-on Java tutorial that keeps helpdesk triage local, moves remediation into a remote agent, and shows where the A2A boundary pays for itself.
May 17
•
Markus Eisele
1
1
Build a Quarkus Supervisor with LangChain4j Skills
Build a supervisor with filesystem Skills, a baseline path without them, and deterministic tests that show how ownership rules change routing on…
May 8
•
Markus Eisele
9
3
Managing AI Tool Sprawl with LangChain4j, Quarkus, and Ollama
Build a 50-tool local assistant and see what tool search changes for prompt budget, answer quality, and the cost of carrying a large catalog.
May 7
•
Markus Eisele
5
2
Expose Legacy Java Apps to AI Agents with the Kubernetes Sidecar Pattern
A practical guide showing how Quarkus and MCP can turn existing Spring Boot or Jakarta EE systems into AI-ready services without modifying legacy code.
Mar 24
•
Markus Eisele
and
Alex Soto Bueno
5
3
1
10:55
From Standard to Smart
Transforming Quarkus Apps with AI Tools
Mar 9
•
Markus Eisele
and
Alex Soto Bueno
4
8:37
Stop Gluing Scripts Together: Build a Real Java Workflow with Quarkus Flow, Kafka, and Ollama
A complete, runnable Quarkus tutorial that ingests CloudEvents, calls a local LLM for sentiment, routes by policy, and pauses for human-in-the-loop…
Mar 2
•
Markus Eisele
10
2
Local Image Generation in Java: Quarkus, FFM, and Native AI
How to run modern image generation models on Apple Silicon using Java, Project Panama, and native inference. No Python stack, no sidecars.
Feb 15
•
Markus Eisele
3
2
Why Input Guardrails Fail for LLMs (and What Works Instead)
How StruQ and Spotlighting enforce real authority separation in LangChain4j applications
Feb 12
•
Markus Eisele
4
1
Why Query Rewriting Matters in RAG Systems
Using LangChain4j QueryTransformers with Quarkus Easy RAG
Feb 9
•
Markus Eisele
4
1
Building a Measurable RAG System with Quarkus Easy RAG, LangChain4j, and Ollama
Build a production-ready RAG system in Java with Quarkus and LangChain4j, then measure faithfulness, relevance, and hallucinations using real metrics.
Feb 6
•
Markus Eisele
6
1
Pattern Matching Is Not Moderation: Semantic Toxicity Detection with Quarkus
Building production-grade toxicity filtering in Java using semantic models, ONNX, and Quarkus Guardrails instead of brittle pattern matching.
Feb 3
•
Markus Eisele
6
1
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