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Transactions must be handled across multiple services in a microservices architecture. This can be accomplished through a distributed transaction coordinator or by implementing a saga pattern. Regarding exceptions, each service must have error-handling mechanisms in place. This includes logging errors, retrying failed requests, and notifying relevant parties. In the case of Node.js and RabbitMQ, the AMQP protocol can implement reliable messaging between services. RabbitMQ includes features such as message acknowledgements and dead-letter queues to handle exceptions and failures.
Hi. I think I have got your question right. To answer that, please read these articles. Let me know if you still need more clarification. https://medium.com/batc/rabbitmq-message-ordering-on-multiple-consumers-6f484858f589#:~:text=RabbitMQ%20has%20a%20plugin%20for,will%20go%20the%20same%20queue. https://live.rabbitmq.com/queues.html