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Topics

Featured in Development

Developing Meta's Orion AR Glasses

Jinsong Yu shares deep architectural insights into the Orion AR glasses, detailing the use of 11 custom microcontrollers for thermal dissipation, the SLAM/VIO needed for world-locked rendering, and input fusion (EMG, eye/hand tracking). He concludes with critical lessons for technical leaders on setting direction, managing complexity through testing, and strategic hardware-software co-design.

Developing Meta's Orion AR Glasses

All in development

Architecture & Design

Featured in Architecture & Design

Holistic Engineering: Organic Problem Solving for Complex Evolving Systems

Late projects. Architectures that drift from their original design. Code that mysteriously evolves into something nobody planned. These persistent problems in software development often stem not from technical failures, but from forces we pretend don't exist—reward systems that incentivize the wrong behaviors, organizational structures that ignore domain boundaries, and human dynamics.

Holistic Engineering: Organic Problem Solving for Complex Evolving Systems

All in architecture-design

AI Infrastructure

Featured in AI, ML & Data Engineering

AI-Driven Software Delivery: Leveraging Lean, ChOP & LLMs to Create More Effective Learning Experiences at QCon

Wes Reisz discusses an experiment to deliver a QCon certification using a Retrieval-Augmented Generation (RAG) architecture and supervised coding agents (Claude Sonnet/Cursor). He breaks down the 4-week serverless video transcription pipeline, RAG variations (hybrid, graph), and the process of structuring prompts for 95% AI-generated code.

AI-Driven Software Delivery: Leveraging Lean, ChOP & LLMs to Create More Effective Learning Experiences at QCon

All in ai-ml-data-eng

Culture & Methods

Featured in Culture & Methods

AI Amplifies Team Strengths and Weaknesses in Software Development

In this podcast, Shane Hastie, Lead Editor for Culture & Methods, spoke to Jon Kern and Anita Zbieg about how AI amplifies both delivery efficiency and weaknesses in development teams, the importance of fundamental collaboration practices, and maintaining holistic system thinking.

AI Amplifies Team Strengths and Weaknesses in Software Development

All in culture-methods

Featured in DevOps

When Reverse Proxies Surprise You: Hard Lessons from Operating at Scale

Operating massive reverse proxy fleets reveals hard lessons: optimizations that work on smaller systems fail at scale; mundane oversights like missing commas cause major outages; and abstractions meant to simplify become hidden fragility points. Success requires profiling on target hardware, relentlessly monitoring boring details, keeping hot paths lean, and trusting instrumentation over theory.

When Reverse Proxies Surprise You: Hard Lessons from Operating at Scale

Events

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QCon San Francisco 2025

Learn how senior teams scaled GenAI search, migrated ML systems, & built global streaming platforms.

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QCon AI New York 2025

Go from AI demos to real engineering impact. Learn to embed LLMs, govern & scale securely.

Early Bird ends Dec 9.

QCon London 2026

Benchmark against top engineering teams. Learn what works in AI, architecture, data, security & FinTech.

Early Bird ends Dec 9.

Learn how leading engineering teams run AI in production—reliably, securely, and at scale.

Launch pricing ends Dec 9.

InfoQ Homepage Presentations Java EE Class Loading Architectures

Java EE Class Loading Architectures

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01:00:11

Summary

Ernie Svehla, Chief Architect of IntelliObjects reviews Java Class Loading basics, comparing the class loading architectures of the Sun's Appserver 9, BEA WebLogic 9.1, and JBoss 4.0.2. The presentation concludes with a discussion of best practices for packaging JEE applications followed by techniques for resolving common class loading problems such as ClassNotFoundException, or NoDefFound Errors.

Bio

Ernie Svehla is Chief Architect of IntelliObjects and has extensive experience in developing large scale highly transactional J2EE systems. Ernie's professional specialties include Object Relational frameworks and Web Services.

About the conference

Recorded at:

Apr 05, 2007

by

Ernie Svehla

This content is in the Java topic

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