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Example project demonstrating how to use the jEAP Messaging Library with Kafka.

This example shows how to use the jEAP Messaging Library with Kafka for publishing/subscribing to events and for sending/receiving commands. It demonstrates the transactional outbox pattern, the sequential inbox, idempotent message handling, message signing, dead letter topic handling and backward-compatible schema evolution. The repository contains the following modules: * jme-messaging-sender-service: sends commands * jme-messaging-receiverpublisher-service: receives commands and publishes events * jme-messaging-receiverpublisher-outbox-service: same as receiverpublisher-service but publishes events using the transactional outbox * jme-messaging-subscriber-service: subscribes to events and stores them locally * jme-messaging-error-scs: handles errors if an event or command could not be processed * jme-messaging-self-messaging-service: shows how a message type can be evolved for a microservice that sends messages to itself * jme-messaging-auth-scs: authenticates users to access the UI of jme-messaging-error-scs * jme-messaging-roguesender-service: sends events directly to the error topic to test error handling * jme-messaging-dltsubscriber-service: subscribes to messages in the dead letter topic * jme-messaging-sequential-inbox-service: demonstrates the sequential inbox * jme-messaging-common-lib: a shared library implementing the example events and commands

Apache-2.0

0.5.0