Breaktime Tech Talks

Ep62: Quarkus Langchain4j Updates + Production-Ready Agents on JVM

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In this episode, hear my latest adventures in the world of Java development, focusing on integrating Langchain4j with Quarkus, tackling dependency management, and exploring the evolving landscape of generative AI in production systems. Plus, I highlight upcoming community events and must-watch videos for developers.

Highlights:

  • Langchain4j + Quarkus: Read-Only Database Success & Dependency Challenges - progress on a read-only Neo4j database with Langchain4j and Quarkus, caveats around configuration, and the "dependency hell" encountered when adding the MCP server for text-to-Cypher capabilities.
    • Project link: Langchain4j Quarkus Graph RAG app

  • Upcoming Events

    • O'Reilly Graph RAG Fundamentals workshop (virtual, Dec 18)
    • Global Big Data Conference (virtual, Dec 15th)
    • Recommended Videos
        • "Gen AI Grows Up: Building Production Ready Agents on the JVM" by Rod Johnson (GOTO Chicago 2025)
          • Focus: Integrating generative AI into existing Java business solutions, and the new open source project Embabel.
          • "Spring in Autumn with Neo4j" by Gerrit Meier (NODES 2025)
            • Focus: Spring projects and frameworks for integrating with Neo4j, plus tips for other tech stacks.
              • ...more
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              Breaktime Tech TalksBy jmhreif
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