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414-frameworks-quarkus-kafka

Use when you need Kafka messaging in Quarkus with SmallRye Reactive Messaging — including channel/topic design, build-time Jackson serialization, typed @Channel/@Incoming, ack/failure strategies, retries/DLQ, idempotency, Dev Services, and Testcontainers integration tests. This should trigger for requests such as Add Kafka in Quarkus; Review Reactive Messaging consumers; Improve failure handling for Quarkus Kafka. Part of cursor-rules-java project

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SKILL.md
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Quarkus — Kafka messaging

Apply Quarkus Kafka guidance with concrete examples for design, implementation, and error handling.

Constraints

Compile before messaging refactors; verify after changes.

  • MANDATORY: Run ./mvnw compile or mvn compile before applying any change
  • SAFETY: If compilation fails, stop immediately
  • VERIFY: Run ./mvnw clean verify or mvn clean verify after applying improvements
  • BEFORE APPLYING: Read the reference for detailed rules and examples

When to use this skill

  • Add Kafka in Quarkus
  • Review Quarkus Reactive Messaging consumers/producers
  • Improve retries, dead-letter handling, or idempotency in Quarkus Kafka

Workflow

  1. Read reference and assess project context

Read references/414-frameworks-quarkus-kafka.md and inspect current messaging setup before proposing changes.

  1. Gather scope and decide target improvements

Identify delivery semantics and resilience goals to define safe improvements.

  1. Apply framework-aligned changes

Implement/refactor channels, serializers, and failure strategies in Reactive Messaging.

  1. Run verification and report results

Execute build/tests and summarize what changed, what was verified, and follow-up actions.

Reference

For detailed guidance, examples, and constraints, see references/414-frameworks-quarkus-kafka.md.

Repository
jabrena/cursor-rules-java
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dcf0eaa

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