The DNA of Apache Camel: How a 42-File Commit Became the World's Integration Framework

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On March 19, 2007, at 10:54 UTC, James Strachan pushed commit 77b260b6 with the message “Initial checkin of Camel routing library.” It contained 42 files across two modules: camel-core and camel-jms. Nineteen years later, the repository has crossed 100,000+ commits from 1,600+ contributors, ships 350+ integration components, and runs in production from CERN’s Large Hadron Collider to UPS processing tens of billions of messages per day. Through all of that — through the rise and fall of ESBs, the SOA-to-microservices migration, the cloud-native revolution, Kubernetes, serverless, and now AI coding agents — the core DNA has remained remarkably stable.

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COMMUNITY

Community Showcase: How to Rewrite 20+ Critical Banking ETL Applications

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Rewriting critical banking ETL applications is risky because these systems handle business data that must stay accurate, stable, and traceable. In his JEurope 2025 talk, Dzmitry Paddubnik explains how his team rebuilt more than 20 banking ETL applications in Java without losing control of production risk. The main lesson is simple: a rewrite is not just a coding project. It is a testing and validation project. Key takeaways Legacy ETL systems often contain years of hidden business rules.

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COMMUNITYUSECASES

Apache Camel by the Numbers: 19 Years of Open Source Integration

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When the first commit landed on March 19, 2007, Apache Camel was a routing library with a handful of components and a single contributor. Nineteen years later, the git repository has crossed 100,000 commits from 1,600+ contributors representing 450+ companies across more than 20 countries. The project ships 311 integration components, has published 300+ releases, and runs in production at organizations where downtime means grounded flights, blocked payments, or missed diagnoses.

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COMMUNITY