AMQP: Messages blocked because of the message of unack'ed

Hello

We took the library/AMQP samples/waiting for a message - changed, that it runs inside a loop, as we wish permanently if subscribe to messages in a queue of RabbitMQ. This is the behavior that we noticed:

1 works very well for a long time without any problems for the following sequence of events:

-publish the message to the queue (a customer outside)

-vCO retrieves the message above

-publish the message to the queue (a customer outside)

-vCO retrieves the message above

...

2 problem when there are multiple messages publishes both from outside:

-publish say 10 messages in queue (a customer outside) - while the Subscriber is running inside vCO

-vCO resumes the first message

-vCO is blocked pending (although there are nine several messages waiting to be picked up)

When I try to debug it via console RabbitMQ, I see that there is a message unack'ed that blocks all messages to be treated. Now when I do a "Force close connection" rabbitmq console, it moves more with maybe one or two messages more and then meet again with the same question.

This isn't a problem when I run a publishing server and the Subscriber of the external vCO. I'm guessing that there is a problem with the part of the automatic acknowledgement in the AMQP plugin.

Appreciate if you could look at what is the question. It is always reproducible at my end.

See you soon,.

Shashi

Hello

There was a problem with the plugin AMQP with receiving messages using a trigger. You happen to know the exact version of the plugin are you using?

I can try to send you a version that contains the fix.

Kind regards

Julian

Tags: VMware

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