How to configure spring boot stream to save unconsumed messages in rabbitMQ

when sending a MQ message using stream, if the message is not consumed, you want the message to be saved in rabbitMQ, and when the consumer starts, you can go to MQ to get it. I would like to ask how to implement it:
spring.cloud.stream.bindings.creat.destination=user
spring.cloud.stream.bindings.creat.group=user
I added these two sentences in the configuration file, and I will not create a queue in rabbitmq. I do not know what the situation is

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Spring linux intellij-idea java
Mar.04,2022

when there are no consumers, they are in the rabbitmq queue. If the queue has not been created, it should still be a question of usage. You can take a look at my most basic example:

http://blog.didispace.com/spr.

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MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1eb32ef-5d251.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eb32ef-5d251.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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