Archive - The Main Thread

Qute and HTMX: Test Keyboard Access Through Form Submission

Use a small Quarkus application to check error recovery and focus across form steps, then assess spoken feedback with your supported screen readers.

Oct 24 • Markus Eisele

Agent Tool Design in Java: Names, Parameters, and Responses

Use Quarkus and LangChain4j examples to apply Anthropic and OpenAI guidance on clear tool contracts, limited results, and explicit side effects.

Oct 22 • Markus Eisele

Spec-Driven Development: Why Passing Tests Can Miss a Changed Requirement

A cart-policy change and a Java inventory example show what requirements, tests, and formal checks each tell us.

Oct 21 • Markus Eisele

20:42

Hibernate Search: Diagnose Missing Catalog Results

See how an analyzer mismatch hides an indexed book from a name search, and how a focused change restores the match.

Oct 20 • Markus Eisele

Build a Transactional Outbox with Quarkus and Kafka

Follow a checkout from database commit to fulfillment, then restart the JVM at two failure points to see how recovery happens.

Oct 18 • Markus Eisele

Apple's Foundation Models CLI: A First Look from Java

I connected a Java client to the model on my Mac and explored response speed, instruction following, and tool support.

Oct 16 • Markus Eisele

Qwen3-TTS Voice Cloning: What I Learned Building a Local Podcast Voice

Follow my experiments with reference recordings, narration speed, and a voice adapter trained on a MacBook.

Oct 15 • Markus Eisele

19:52

Quarkus MDC: Follow a Request ID Through Async Code

Build a small REST application, see where the ID disappears, and bring it back into an asynchronous callback.

Oct 14 • Markus Eisele

AG-UI with Quarkus: Keeping Bob-Guided Forms Under Application Control

I explore how an agent can guide a reporting workflow while Java enforces its rules, with a local demo and the limits to address before sharing it.

Oct 12 • Markus Eisele

Java Unit Tests with IBM Bob: Reviewing the Generated Suite

A Java 8 walkthrough shows where I narrowed the agent's scope and how I checked the tests before keeping them.

Oct 10 • Markus Eisele

Java 8 to Java 25 with IBM Bob: A Hands-On Upgrade

I try the Java premium package on a Maven servlet application, review Bob's changes, and add regression tests for the next upgrade.

Oct 8 • Markus Eisele

Quarkus Roq: Growing a Documentation Site With Less Upkeep

How I moved page lists into Java helpers and made the build handle shared diagrams and Pagefind search.

Oct 6 • Markus Eisele

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