Implement RAG Using Weaviate, LangChain4j and LocalAI In this blog, the implementation of Retrieval Augmented Generation (RAG) using Weaviate, LangChain4j, and LocalAI is explored. The setup involves embedding documents in Weaviate, performing semanti…

In this blog, you will learn how to implement RAG using Weaviate, LangChain4j and LocalAI. This implementation allows you to ask questions using natural language.
#weaviate #langchain4j #localai #java

#LangChain4j 1.13.0 is out! 🎉

github.com/langchain4j/...

How to Embed Documents for Semantic Search This post delves into the process of embedding documents for semantic search, using examples to demonstrate its impact and methods for improvement. The author analyzes the influence of the source d…

In this blog, you will take a closer look at embedding documents to be used for a semantic search. By means of examples, you will learn how embedding influences the search results.
#java #langchain4j #LocalAI_API

LangChain4j: Chat With Documents This blog post explores the use of LangChain4j and LocalAI for chatting with documents, including prompt engineering techniques. Five questions are initially asked and answered without documents, r…

In this blog, you will take a closer look at how you can chat with your documents using LangChain4j and LocalAI. Besides that, you will learn some basics about prompt engineering. Enjoy!
#java #langchain4j #LocalAI_API

How to Use LangChain4j With LocalAI This post discusses integrating Large Language Model (LLM) capabilities into Java applications using LangChain4j. It covers using LocalAI, provides examples, and explores chatting with documents. I…

This post discusses integrating LLM capabilities into Java applications using LangChain4j. It covers using LocalAI, provides examples, and explores chatting with documents.
#java #langchain4j #LocalAI

Helidon 4.4.0 Introduces Alignment with OpenJDK Cadence and Support via Java Verified Portfolio Oracle has released version 4.4.0 of Helidon, their microservices framework, featuring alignment with the OpenJDK release cadence, support via the new Java Verified Portfolio, new core capabilities, and agentic AI support for LangChain4j.

Helidon 4.4.0 Introduces Alignment with OpenJDK Cadence and Support via Java Verified Portfolio

#framework #helidon #java #langchain4j #microservices

www.infoq.com/news/2026...

Oracle has released #Helidon 4.4.0, bringing some major shifts to the framework:

• Now aligned with the #OpenJDK release cadence
• Backed by the Java Verified Portfolio
• New agentic AI support via #LangChain4j
• Packed with enhanced core capabilities

Dive here: bit.ly/3PRhbGQ

#Java #InfoQ

GenAI apps with LangChain4j and MCP, Thu, Apr 9, 2026, 6:30 PM | Meetup \#\# GenAI apps with LangChain4j and MCP * This session, designed for software engineers, will explore how to create GenAI apps with LangChain4j and MCP (Model Context Pro

Orlando JUG: GenAI Apps with LangChain4j and MCP - 04/09/2026 06:30 p.m. rb.gy/rzd9nr #Java #LangChain4J #MCP #ModelContextProtocol #JavaOracleDB #OracleAIDatabase26ai #VectorSearch #VectorDatabase #OracleDatabase #Oracle #OracleDevs #OracleCloud #LangChain4j

Managing AI Workflows with LangGraph4J, Oracle AI Database 26ai, and the Oracle Database Memory… by Juarez Junior

Managing AI Workflows with #LangGraph4J, Oracle #AI Database 26ai, and the Oracle Database Memory Saver Extension for LangGraph4J rb.gy/k6suqr #Java #Agents #AgenticAI #GenAI #LangGraph4J #LangChain4J #SpringAI #JavaOracleDB #OracleDatabase #Oracle #OracleAIDatabase26ai

Unleashing Vector Search with Spring AI, LangChain4J, and Hibernate Vector, Tue, Apr 7, 2026, 6:30 PM | Meetup This session explores building AI-related solutions with Java, leveraging popular open-source frameworks such as Hibernate Vector, Spring AI, and LangChain4J. We’ll explore

MiamiJUG: Unleashing Vector Search with Spring AI, LangChain4J, and Hibernate Vector 04/07/2026 06:30 PM @ NSU Florida rb.gy/52l4vf #Java #AI #LangChain4J #SpringAI #HibernateVector #JavaOracleDB #OracleDatabase #Oracle #OracleCloud #OracleDevs #LangChain4J #Hibernate

Unleashing Vector Search with Spring AI, LangChain4J, and Hibernate Vector, Tue, Apr 7, 2026, 6:30 PM | Meetup This session explores building AI-related solutions with Java, leveraging popular open-source frameworks such as Hibernate Vector, Spring AI, and LangChain4J. We’ll explore

MiamiJUG: Unleashing Vector Search with Spring AI, LangChain4J, and Hibernate Vector 04/07/2026 06:30 PM @ NSU Florida rb.gy/52l4vf #Java #AI #LangChain4J #SpringAI #HibernateVector #JavaOracleDB #OracleDatabase #Oracle #OracleCloud #OracleDevs #LangChain4J #Hibernate

JaxJUG: Unleashing Vector Search with Spring AI, LangChain4J, and Hibernate Vector 04/08/2026 06:00 p.m. rb.gy/nwl5oq #Java #AI #LangChain4J #SpringAI #HibernateVector #OracleAIDatabase26ai #JavaOracleDB #OracleDatabase #Oracle #OracleCloud #OracleDevs

🚀 LangChain4j CDI 1.2.0-Beta1 is out! The highlight: Beta support for MCP server implemetnation in your #JakartaEE or #microprofile runtime 🎉 . Thanks to Don Bourne and @yblazart.bsky.social for their contributions!
#Java #AI #JakartaEE #LangChain4J #MicroProfile

Building AI features into your #Java app doesn’t have to mean wiring everything from scratch.

#Vaadin 25.1 introduces AIOrchestrator—a structured way to connect UI components with LLMs, with support for #SpringAI and #LangChain4j.

👉 Learn more: vaadin.com/docs/latest/...

@sciam.fr @ehsavoie.bsky.social #Langchain4j #Langchain4jCDI #MCP Pleased to annonce I merged the Beta1 of the first full MCP server #CDI #JAXRS implementation, Feel free to test it and then if you can give us some feed-back ! :) Available as a snapshot to test it ! #JakartaEE #MicroProfile

Neo4j + GraphRAG in Action: Live Refactor with Jennifer Reif In this live coding session I am joined by @jmhreif from @neo4j to refactor an AI powered file search application from PostgreSQL to Neo4j. The goal is to mo...

Going live today, 20:00 CEST 🚀

Jennifer Reif (@neo4j.com) and I are adding graph traversal on top of vector search and seeing what breaks (and what gets better). Expect a bit of chaos.

Join us 👇
youtube.com/live/KUcZL2y...
#GraphRAG #LangChain4J

Creating AI Agents with LangChain4j, Model Context Protocol, Oracle SQLcl MCP Server, and the… LangChain4J with the Oracle AI Database 26ai

Creating AI Agents with LangChain4j, Model Context Protocol, Oracle SQLcl MCP Server, and the Oracle AI Database 26ai rb.gy/w4g6zl #Java #GenAI #LangChain4J #MCP #JavaOracleDB #SQLcl #VSCode #OracleDatabase #Oracle

JC-AI Newsletter #15 Over the past two weeks, the field of artificial intelligence has continued its remarkable pace of advancement. As AI becomes increasingly woven into the fabric of daily life, ...

#AI #DataEngineering #Developer #Tools #JC-AI #Newsletter […]

[Original post on foojay.io]

🚀 LangChain4j CDI 1.1.0 released! New: CDI-aware guardrails for AI service input/output validation, ManagedExecutorService support, and LangChain4j 1.12.2 upgrade. Thanks to Buhake Sindi and Hervé Boutémy! #Java #AI #JakartaEE #LangChain4J

You don’t need a greenfield project to add AI.

In this episode, Alex Soto takes an existing Quarkus app and uses IBM Bob to integrate LangChain4j — incrementally, safely, and without architectural chaos.

buff.ly/LTYy8nV

#Java #Quarkus #AI #LangChain4j #EnterpriseDev

Release 1.12.1 and 1.12.1-beta21 · langchain4j/langchain4j Notable Changes Agentic: generate a HTML report of an agentic system topology and execution by @mariofusco in #4600 Agentic: allow to integrate an MCP tool as a non-AI agent by @mariofusco in #463...

LangChain4j Release 1.12.1 and 1.12.1-beta21 are out!

#ai #java #langchain #langchain4j

github.com/langchain4j/...

Excited for #JCON EUROPE 2026? See Alexandre Gallice at #JCON2026 in Cologne talking about '#AI driven Unstructured Data Extraction Using #Apache #Camel and #LangChain4J'

A big chunk of the #data generated today is unstructured and it's …

🎟️ 2026.europe.jcon.one/tickets
Free for #JUG members

Is Java Still Viable in the Era of Agentic AI? If you only watched conference keynotes and social feeds, you might assume the future of agentic AI belongs entirely to Python notebooks and TypeScript frontends. Meanwhile, most systems that agents a...

coderlegion.com/12431/is-jav... #Java #AgenticAI #AIagents #SpringAI #LangChain4j

The latest version of #LangChain4J supports our latest #GPULlama3 version 0.4.0 for native GPU acceleration of #Java 25 AI Inference!

Release 1.12.1 and 1.12.1-beta21 · langchain4j/langchain4j Notable Changes Agentic: generate a HTML report of an agentic system topology and execution by @mariofusco in #4600 Agentic: allow to integrate an MCP tool as a non-AI agent by @mariofusco in #463...

#LangChain4j 1.12.1 is out! 🎉

github.com/langchain4j/...

The wrong reasons to build an MCP server

Are you attending #devnexus today? Join my session, "The wrong reasons to build an MCP server" at 11:20 am. Look forward to meeting and sharing AI dev practices today!!! #Quarkus #JavaAI #LangChain4j

devnexus.com/events/the-w...

🎉 I'm thrilled to share that I'll be taking the stage at #JavaOne alongside my brilliant colleague @yblazart for an hands-on workshop that's going to change how you think about AI integration in Java applications! 🚀
#JavaOne2026 #Java #AI #LangChain4j #CDI #JakartaEE

Great see you buddy again at #devnexus! Come and learn about #quarkus and #langchain4j for Java AI at the booth #javachampions @ericdeandrea.dev

Swing by the LangChain4j / Quarkus community booth.

While at Devnexus, swing by the LangChain4j / Quarkus community booth to learn more about Java for AI!

github.com/quarkusio/qu...

#quarkusworldtour #langchain4j

Excited for #JCON EUROPE 2026? See Emily Jiang at #JCON2026 in Cologne talking about 'Building Intelligent Enterprises: AI-Powered Java with #LangChain4j & #CDI'

Unlock the power of #AI within your proven #Java infrastructure. …

🎟️ 2026.europe.jcon.one/tickets
Free for #JUG members