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https://issues.apache.org/jira/browse/JAMES-3308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benoit Tellier closed JAMES-3308.
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Resolution: Fixed
https://github.com/linagora/james-project/pull/3578 contributed this on the
await side
> RabbitMQ deserialization error handling for the Distributed Task Manager
> -------------------------------------------------------------------------
>
> Key: JAMES-3308
> URL: https://issues.apache.org/jira/browse/JAMES-3308
> Project: James Server
> Issue Type: Improvement
> Reporter: Nguyễn Việt Đức
> Priority: Major
>
> A non deserializable message caused the entire MailQueue processing to crash.
> Solved this by doing an explicit nack on such messages, relying on RabbitMQ
> dead-letter exchanges to not loose data. The messqge is thus effectively
> ignored.
> Following this, we need to further investigate RabbitMQ related code and
> evaluate if there is similar issues.
> We need to evaluate the impact on the RabbitMQ code for the distributed task
> manager.
> Acceptance criteria
> If a message cannot be deserialized, following legitimate events can
> still be processed.
> Discarded messages are stored in a dead-letter queue and not lost
> Both job submission and cancellation needs to be tested
> Definition of done
> Write tests to reproduce the issue and the expected behaviour
> Implement the fix leveraging dead-letter and nack
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