Will a RabbitMQ message be lost if it is published to an exchange with a specific routing key when the consumer queue does not yet exist?

Question content

When I publish a message to RabbitMQ, is the message sent to exchange with a specific routing key, when the consumer queue does not yet exist? , will the message be lost?

Correct answer

Yes, RabbitMQ will discard the message.

But, you care about your data, so you use Publisher Confirmation a>, right? If so, RabbitMQ will send back a message indicating that your message was not routed.

You can also specify an alternate exchange to capture these messages.

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