Markus Eisele
@myfear.com
Developer, turned to consulting, developer relations, sales, and landed in marketing.
Writing books for #Oreilly.
Into Java, Kubernetes and such.
Legal called to tell you that I'm not officially speaking for IBM.
Writing books for #Oreilly.
Into Java, Kubernetes and such.
Legal called to tell you that I'm not officially speaking for IBM.
Pinned
Markus Eisele
@myfear.com
· 7d
My new book with Alex Soto Bueno and Natale Vinto just dropped:
Applied AI for Enterprise Java
The practical field guide for Java developers bringing AI to production.
Full story (and how it came to life between family, travel, and too much coffee):
buff.ly/2iDl9ba
#Java #AI #Quarkus #LangChain4j
Applied AI for Enterprise Java
The practical field guide for Java developers bringing AI to production.
Full story (and how it came to life between family, travel, and too much coffee):
buff.ly/2iDl9ba
#Java #AI #Quarkus #LangChain4j
Semantic Caching for Java: Turbocharge Your Quarkus + LangChain4j LLM Apps buff.ly/1w7Q37S
November 25, 2025 at 7:15 AM
Semantic Caching for Java: Turbocharge Your Quarkus + LangChain4j LLM Apps buff.ly/1w7Q37S
Explore Swift and Java interoperability - WWDC25 - Videos - Apple Developer buff.ly/5jPZU4K
#Java #Swift
#Java #Swift
Explore Swift and Java interoperability - WWDC25 - Videos - Apple Developer
Learn how you can mix Swift and Java in a single codebase. We'll introduce the swift-java interoperability project, which allows you to...
buff.ly
November 24, 2025 at 2:39 PM
Explore Swift and Java interoperability - WWDC25 - Videos - Apple Developer buff.ly/5jPZU4K
#Java #Swift
#Java #Swift
AI Coding Modes for Bob + Quarkus Dev Mode
How to turn AI assistants into real teammates:
• custom modes
• rule packs as skills
• live MCP integration
If you're a Java dev or architect thinking about AI in your workflow, this is the future.
buff.ly/B8v77EH
#Java #Quarkus #AI #Bob #DevMode
How to turn AI assistants into real teammates:
• custom modes
• rule packs as skills
• live MCP integration
If you're a Java dev or architect thinking about AI in your workflow, this is the future.
buff.ly/B8v77EH
#Java #Quarkus #AI #Bob #DevMode
November 24, 2025 at 7:15 AM
Why Standards Matter More Today: From Fear of Lock-In to Foundations for Choice buff.ly/l7ZaCHC
Why Standards Matter More Today: From Fear of Lock-In to Foundations for Choice
Looking Back to Look Forward
buff.ly
November 23, 2025 at 2:39 PM
Why Standards Matter More Today: From Fear of Lock-In to Foundations for Choice buff.ly/l7ZaCHC
Still mapping Java enums the old way?
Quarkus 3 + Hibernate 7 now make it effortless with @EnumeratedValue.
No converters. No magic numbers. Just clean, type-safe mapping that works.
Full tutorial →
buff.ly/VmlGHtW
#JavaDevelopers #Quarkus #HibernateORM #JPA
Quarkus 3 + Hibernate 7 now make it effortless with @EnumeratedValue.
No converters. No magic numbers. Just clean, type-safe mapping that works.
Full tutorial →
buff.ly/VmlGHtW
#JavaDevelopers #Quarkus #HibernateORM #JPA
November 23, 2025 at 7:15 AM
Still mapping Java enums the old way?
Quarkus 3 + Hibernate 7 now make it effortless with @EnumeratedValue.
No converters. No magic numbers. Just clean, type-safe mapping that works.
Full tutorial →
buff.ly/VmlGHtW
#JavaDevelopers #Quarkus #HibernateORM #JPA
Quarkus 3 + Hibernate 7 now make it effortless with @EnumeratedValue.
No converters. No magic numbers. Just clean, type-safe mapping that works.
Full tutorial →
buff.ly/VmlGHtW
#JavaDevelopers #Quarkus #HibernateORM #JPA
Time to modernize your stack? Get a hands-on, step-by-step guide to migrating your #SpringBoot app to #Quarkus, covering dependencies, JPA, REST, and testing. #Java #TechMigration #ICYMI
buff.ly/d0Gy28A
buff.ly/d0Gy28A
Modernizing Your Stack: Migrating a Spring Boot App to Quarkus Step-by-Step
A hands-on, real-world walkthrough to help you modernize your Spring Boot application: Covering dependencies, JPA, REST, configuration, and testing.
buff.ly
November 22, 2025 at 11:00 AM
Time to modernize your stack? Get a hands-on, step-by-step guide to migrating your #SpringBoot app to #Quarkus, covering dependencies, JPA, REST, and testing. #Java #TechMigration #ICYMI
buff.ly/d0Gy28A
buff.ly/d0Gy28A
Someone told me my posts “sound like AI.”
So I built an AI detector in Java with Quarkus + LangChain4j.
It turns out detection is harder — and more fascinating — than you’d think.
Read the full breakdown ↓
buff.ly/Qm1KYIB
#Java #AI #Quarkus #LangChain4j
So I built an AI detector in Java with Quarkus + LangChain4j.
It turns out detection is harder — and more fascinating — than you’d think.
Read the full breakdown ↓
buff.ly/Qm1KYIB
#Java #AI #Quarkus #LangChain4j
November 22, 2025 at 7:15 AM
Someone told me my posts “sound like AI.”
So I built an AI detector in Java with Quarkus + LangChain4j.
It turns out detection is harder — and more fascinating — than you’d think.
Read the full breakdown ↓
buff.ly/Qm1KYIB
#Java #AI #Quarkus #LangChain4j
So I built an AI detector in Java with Quarkus + LangChain4j.
It turns out detection is harder — and more fascinating — than you’d think.
Read the full breakdown ↓
buff.ly/Qm1KYIB
#Java #AI #Quarkus #LangChain4j
Transform messy text into clean Java objects! Learn how to extract structured data with #Quarkus, #LangChain4j, and local #LLMs – no APIs or cloud needed! #Java #AI #DataExtraction #ICYMI
From Text to POJO: Extracting Structured Data with Quarkus, Langchain4j, and Local LLMs
Learn how to turn messy text into clean Java objects using Quarkus, Langchain4j, and Ollama. No APIs, no cloud, just pure local LLM power.
buff.ly
November 21, 2025 at 2:39 PM
Transform messy text into clean Java objects! Learn how to extract structured data with #Quarkus, #LangChain4j, and local #LLMs – no APIs or cloud needed! #Java #AI #DataExtraction #ICYMI
JUnit 6 is here — and it’s a real upgrade for Quarkus developers.
Unified versioning. Java 17 baseline. Fail-fast tests that actually save time.
Full hands-on walkthrough →
buff.ly/hFpjFlI
#Java #Quarkus #JUnit6 #Testing
Unified versioning. Java 17 baseline. Fail-fast tests that actually save time.
Full hands-on walkthrough →
buff.ly/hFpjFlI
#Java #Quarkus #JUnit6 #Testing
November 21, 2025 at 7:15 AM
JUnit 6 is here — and it’s a real upgrade for Quarkus developers.
Unified versioning. Java 17 baseline. Fail-fast tests that actually save time.
Full hands-on walkthrough →
buff.ly/hFpjFlI
#Java #Quarkus #JUnit6 #Testing
Unified versioning. Java 17 baseline. Fail-fast tests that actually save time.
Full hands-on walkthrough →
buff.ly/hFpjFlI
#Java #Quarkus #JUnit6 #Testing
Docling #Java is the official Java client and tooling for #Docling — a suite that simplifies document processing and parsing across diverse formats (with advanced PDF understanding) and integrates seamlessly with #GenAI frameworks.
Docling Java - Docling Java
Docling Java is the official Java client and tooling for Docling — a suite that simplifies document processing and parsing across diverse formats (with advanced PDF understanding) and integrates…
buff.ly
November 21, 2025 at 6:08 AM
Quarkus GraphQL Quickstart + MinIO as Object Store S3. It's much more than just a Quickstart ;-)
buff.ly/44QGJR5
#GraphQL #Java #quarkus #S3
buff.ly/44QGJR5
#GraphQL #Java #quarkus #S3
November 20, 2025 at 11:02 AM
Quarkus GraphQL Quickstart + MinIO as Object Store S3. It's much more than just a Quickstart ;-)
buff.ly/44QGJR5
#GraphQL #Java #quarkus #S3
buff.ly/44QGJR5
#GraphQL #Java #quarkus #S3
Built a tiny, serverless Markdown gist app with Quarkus + S3.
No database. No accounts. Just Java.
Powered by LocalStack for local testing and ready for the cloud.
🧠 New on TheMainThread →
buff.ly/j1gVK0t
#Java #Quarkus #AWS #LocalStack
No database. No accounts. Just Java.
Powered by LocalStack for local testing and ready for the cloud.
🧠 New on TheMainThread →
buff.ly/j1gVK0t
#Java #Quarkus #AWS #LocalStack
November 20, 2025 at 7:15 AM
Built a tiny, serverless Markdown gist app with Quarkus + S3.
No database. No accounts. Just Java.
Powered by LocalStack for local testing and ready for the cloud.
🧠 New on TheMainThread →
buff.ly/j1gVK0t
#Java #Quarkus #AWS #LocalStack
No database. No accounts. Just Java.
Powered by LocalStack for local testing and ready for the cloud.
🧠 New on TheMainThread →
buff.ly/j1gVK0t
#Java #Quarkus #AWS #LocalStack
Not your usual hashing guide.
In this new Quarkus post, I turn digest functions into tools for colors, cache keys, and distributed systems.
Because creativity in code starts with the little things.
👉 buff.ly/t9ppkqP
#Java #Quarkus #ApacheCommons #Developer
In this new Quarkus post, I turn digest functions into tools for colors, cache keys, and distributed systems.
Because creativity in code starts with the little things.
👉 buff.ly/t9ppkqP
#Java #Quarkus #ApacheCommons #Developer
November 19, 2025 at 7:15 AM
Not your usual hashing guide.
In this new Quarkus post, I turn digest functions into tools for colors, cache keys, and distributed systems.
Because creativity in code starts with the little things.
👉 buff.ly/t9ppkqP
#Java #Quarkus #ApacheCommons #Developer
In this new Quarkus post, I turn digest functions into tools for colors, cache keys, and distributed systems.
Because creativity in code starts with the little things.
👉 buff.ly/t9ppkqP
#Java #Quarkus #ApacheCommons #Developer
Jolokia MCP Server - Let LLMs manage your Java application via JMX/Jolokia
#Java #MCP #Jolokia #JMX
buff.ly/QPZ4piG
#Java #MCP #Jolokia #JMX
buff.ly/QPZ4piG
GitHub - jolokia/jolokia-mcp-server: Let LLMs manage your Java application via JMX/Jolokia 🌶️
Let LLMs manage your Java application via JMX/Jolokia 🌶️ - jolokia/jolokia-mcp-server
buff.ly
November 18, 2025 at 11:01 AM
Jolokia MCP Server - Let LLMs manage your Java application via JMX/Jolokia
#Java #MCP #Jolokia #JMX
buff.ly/QPZ4piG
#Java #MCP #Jolokia #JMX
buff.ly/QPZ4piG
My new book with Alex Soto Bueno and Natale Vinto just dropped:
Applied AI for Enterprise Java
The practical field guide for Java developers bringing AI to production.
Full story (and how it came to life between family, travel, and too much coffee):
buff.ly/2iDl9ba
#Java #AI #Quarkus #LangChain4j
Applied AI for Enterprise Java
The practical field guide for Java developers bringing AI to production.
Full story (and how it came to life between family, travel, and too much coffee):
buff.ly/2iDl9ba
#Java #AI #Quarkus #LangChain4j
November 18, 2025 at 7:15 AM
My new book with Alex Soto Bueno and Natale Vinto just dropped:
Applied AI for Enterprise Java
The practical field guide for Java developers bringing AI to production.
Full story (and how it came to life between family, travel, and too much coffee):
buff.ly/2iDl9ba
#Java #AI #Quarkus #LangChain4j
Applied AI for Enterprise Java
The practical field guide for Java developers bringing AI to production.
Full story (and how it came to life between family, travel, and too much coffee):
buff.ly/2iDl9ba
#Java #AI #Quarkus #LangChain4j
Connecting to a Model Context Protocol (MCP) Server from Java using LangChain4j - Marc Nuri buff.ly/98F5MG3
#Java #mcp #langchain4j
#Java #mcp #langchain4j
Connecting to a Model Context Protocol (MCP) Server from Java using LangChain4j - Marc Nuri
Learn how to integrate Java applications with an MCP server using LangChain4j. The article covers STDIO & SSE transports along with tips for testing servers.
buff.ly
November 17, 2025 at 2:39 PM
Connecting to a Model Context Protocol (MCP) Server from Java using LangChain4j - Marc Nuri buff.ly/98F5MG3
#Java #mcp #langchain4j
#Java #mcp #langchain4j
A week in Crete with barely any Wi-Fi made me miss the days when phones were our music players.
So I built one — a reactive MP3 player in Java using Quarkus + Mutiny, complete with metadata extraction.
Streaming reimagined, the Java way.
🎧 Read here:
buff.ly/C1MVsKa
So I built one — a reactive MP3 player in Java using Quarkus + Mutiny, complete with metadata extraction.
Streaming reimagined, the Java way.
🎧 Read here:
buff.ly/C1MVsKa
November 17, 2025 at 7:15 AM
A week in Crete with barely any Wi-Fi made me miss the days when phones were our music players.
So I built one — a reactive MP3 player in Java using Quarkus + Mutiny, complete with metadata extraction.
Streaming reimagined, the Java way.
🎧 Read here:
buff.ly/C1MVsKa
So I built one — a reactive MP3 player in Java using Quarkus + Mutiny, complete with metadata extraction.
Streaming reimagined, the Java way.
🎧 Read here:
buff.ly/C1MVsKa
Calculating vector embeddings for semantic search and retrieval augmented generation (RAG) buff.ly/UCzKBCG
#java #langchain4j #granite
#java #langchain4j #granite
IBM Developer
buff.ly
November 16, 2025 at 2:39 PM
Calculating vector embeddings for semantic search and retrieval augmented generation (RAG) buff.ly/UCzKBCG
#java #langchain4j #granite
#java #langchain4j #granite
AI image previews… but built with Java.
This hands-on guide shows how to stream images progressively from a Quarkus backend using Mutiny — so your browser renders them in real time.
Catch the full tutorial here:
buff.ly/wKrwoTc
#Java #Quarkus #Reactive #WebDev
This hands-on guide shows how to stream images progressively from a Quarkus backend using Mutiny — so your browser renders them in real time.
Catch the full tutorial here:
buff.ly/wKrwoTc
#Java #Quarkus #Reactive #WebDev
November 16, 2025 at 7:15 AM
AI image previews… but built with Java.
This hands-on guide shows how to stream images progressively from a Quarkus backend using Mutiny — so your browser renders them in real time.
Catch the full tutorial here:
buff.ly/wKrwoTc
#Java #Quarkus #Reactive #WebDev
This hands-on guide shows how to stream images progressively from a Quarkus backend using Mutiny — so your browser renders them in real time.
Catch the full tutorial here:
buff.ly/wKrwoTc
#Java #Quarkus #Reactive #WebDev
„AI can rapidly produce 70% of a solution, but that final 30% – edge cases, security, production integration – remains as challenging as ever. Meanwhile, trust in AI-generated code is declining even as adoption increases.“
bit.ly/4p9ub71
bit.ly/4p9ub71
AI's 70% Problem - Zed Blog
Read the "AI's 70% Problem" blog post.
buff.ly
November 15, 2025 at 11:00 AM
„AI can rapidly produce 70% of a solution, but that final 30% – edge cases, security, production integration – remains as challenging as ever. Meanwhile, trust in AI-generated code is declining even as adoption increases.“
bit.ly/4p9ub71
bit.ly/4p9ub71
NullPointerExceptions are still the #1 reason Java apps crash in production.
Here’s a better way: catch them at compile time using JSpecify and NullAway in Quarkus.
Simple setup, zero runtime cost.
Read the full tutorial →
buff.ly/GtIsnAT
#Java #Quarkus #NullAway #DevTools
Here’s a better way: catch them at compile time using JSpecify and NullAway in Quarkus.
Simple setup, zero runtime cost.
Read the full tutorial →
buff.ly/GtIsnAT
#Java #Quarkus #NullAway #DevTools
November 15, 2025 at 7:15 AM
NullPointerExceptions are still the #1 reason Java apps crash in production.
Here’s a better way: catch them at compile time using JSpecify and NullAway in Quarkus.
Simple setup, zero runtime cost.
Read the full tutorial →
buff.ly/GtIsnAT
#Java #Quarkus #NullAway #DevTools
Here’s a better way: catch them at compile time using JSpecify and NullAway in Quarkus.
Simple setup, zero runtime cost.
Read the full tutorial →
buff.ly/GtIsnAT
#Java #Quarkus #NullAway #DevTools