Rémi Kowalski created JAMES-3080:
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Summary: Make message persistent in rabbitmq mailqueue
Key: JAMES-3080
URL: https://issues.apache.org/jira/browse/JAMES-3080
Project: James Server
Issue Type: Improvement
Reporter: Rémi Kowalski
Regarding the persistence of messages in rabbitmq : To achieve this there are
two steps :
* the queue must be declared as {{durable}} (the declaration of the queue is
persisted rabbitmq is restarted)
* when sending a message, it must have a property setting its
{{delivery_mode}} to persistent. (the messages with this property are persisted
in case of a restart of rabbitmq)
At the time being the rabbitmq mailqueue in james :
* the queue is declared durable => Good
* the delivery_mode property is not set => Not good
* the exchange is not declared durable => Seems not good, but need testing
What should be done is :
- set the `delivery_mode` property to '2' ( see
[https://www.rabbitmq.com/releases/rabbitmq-java-client/v2.4.1/rabbitmq-java-client-javadoc-2.4.1/index.html?com/rabbitmq/client/MessageProperties.html]
)
- verify if the exchange need to be declared 'durable' too. if so it will need
an entry in the migration guide. As it will need to be deleted an created back
with the new properties.
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