[jira] [Reopened] (JAMES-2578) MQs should not rely on Serializable

["Benoit Tellier (Jira)" <se...@james.apache.org>]

     [ https://issues.apache.org/jira/browse/JAMES-2578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benoit Tellier reopened JAMES-2578:
-----------------------------------

While working on https://issues.apache.org/jira/browse/JAMES-3431 I discovered that JMS & File mailqueue do still rely on serialization.

This is what motivates the re-open of this ticket.

Here are the options we have:

 - Accept DSN feature do not work on tese implementations (not my prefered at all!)
 - Re-implement DSNParameters attribute mapping to not use collection attributeValues. This work around the main issue for this specific use case of attribute values. (I feel okay with that)
 - Try to fix collection attributeValue java serialization is likely hard to do, but also keeps java serialization around for longer in the code base. Likely a dead-end.
 - No longer rely on Java serialization for "JMS" & "File" mail queues. This means either smart fallback code, or at worst an upgrade path with an empty mail queue. That is by far my preferred option, and I will start community discussions in that direction.



> MQs should not rely on Serializable
> -----------------------------------
>
>                 Key: JAMES-2578
>                 URL: https://issues.apache.org/jira/browse/JAMES-2578
>             Project: James Server
>          Issue Type: Improvement
>            Reporter: Gautier DI FOLCO
>            Priority: Major
>             Fix For: 3.4.0
>
>
> Mail interface allows people to insert any Serializable object as an attribute.
> For now, we then relied on java serialization when putting Mail object into a MQ.
> Now that we try to write a new MailQueue on top of RabbitMQ, it makes sense to try to avoid this use of Serializable.



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