Rémi Kowalski created JAMES-3082:
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Summary: Make messages persistent in rabbitmq eventbus
Key: JAMES-3082
URL: https://issues.apache.org/jira/browse/JAMES-3082
Project: James Server
Issue Type: Improvement
Reporter: Rémi Kowalski
Fix For: 3.5.0
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 eventbus 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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