Re: [rabbitmq-users] Failed to declare anonymous(auto-delete=true, exclusive=true) queue after rabbitmq in HA mode restart

[Gary Russell]

Problem was not related to x-queue-master-locator [1].

[1]: https://stackoverflow.com/a/73878898/1240763

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From: rabbitm...@googlegroups.com <rabbitm...@googlegroups.com> on behalf of kbit8 <boczek.k...@gmail.com>
Sent: Tuesday, September 27, 2022 10:53 AM
To: rabbitmq-users <rabbitm...@googlegroups.com>
Subject: [rabbitmq-users] Failed to declare anonymous(auto-delete=true, exclusive=true) queue after rabbitmq in HA mode restart

 

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Hi Team, 

we have rabbitmq cluster on k8s with following HA configuration:

{"ha-mode":"exactly","ha-params":2}

Spring boot application which uses spring cloud stream connects to the rabbitmq cluster using internal k8s DNS, like:

url: rabbitmq.rabbitmq

The application creates auto-delete=true, exclusive=true with additional argument  x-queue-locator-master:client-local queue, like:

Issue comes when node on which given queue is declared goes down. When node goes down, application tries to declare the same queue on next node however it receives:

method: #method<channel.close>(reply-code=404, reply-text=NOT_FOUND - no queue 'destination.anonymous.xgZpSlDrRdyd3vlO7K_5nw' in vhost '/', class-id=50, method-id=10)

Can you please share whether something on queue declaration or rabbitmq configuration is missing to make it working? Expected behaviour is that application can successfully declare auto-delete=true, exclusive=true queue if previous node on which was declared went down. 

I have also posted on spring-cloud stream and was advised to ask here also https://stackoverflow.com/questions/73865296/failed-to-declare-anonymous-queue-after-rabbitmq-in-ha-mode-restart because theoretically it should work, but currently it does not because of some reason. 

Regards

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