Citrus is a powerful integration testing framework that orchestrates end-to-end test scenarios with clean, readable Java code. As a framework Citrus provides several ready-to-use components to connect to messaging systems, cloud services, and protocols such as Http, Kafka, Jms and many more — but when you combine Citrus with the power of Apache Camel, something remarkable happens. Citrus gains the ability to speak every protocol Camel supports, transform test data with Camel’s rich data formats, and even reach into running Camel routes to trigger or verify business logic directly.

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TOOLINGHOWTOS

Apache Camel has crossed 100,000 commits from 1,500+ contributors representing 450+ companies. Those numbers paint a picture of a broad, thriving open source community — and that picture is real. But there’s a more specific story inside the git history that’s worth telling: who actually maintains this project, day after day, year after year? The answer is remarkably consistent. A core engineering team has maintained Apache Camel since 2009 — and they’re still here.

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COMMUNITY

When you have a handful of Camel routes, understanding the message flow is straightforward. But as your application grows to tens or hundreds of routes connected through direct, seda, Kafka topics, and external services, it becomes harder to see the big picture. Which route feeds into which? Where does a message end up after three hops? Which external systems are involved? Apache Camel 4.21 introduces route topology diagrams to answer exactly these questions.

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FEATURES