[jira] [Comment Edited] (ARTEMIS-3090) expiry-queue cannot be unset

["Erwin Dondorp (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARTEMIS-3090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17280060#comment-17280060 ] 

Erwin Dondorp edited comment on ARTEMIS-3090 at 2/6/21, 3:47 PM:
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[~jbertram] thank you!
I thought that I tried all this and that it failed on the XSD validation.
I was obviously wrong as the suggestion works properly.

(see update below)


was (Author: erwindon):
[~jbertram] thank you!
I thought that I tried all this and that it failed on the XSD validation.
I was obviously wrong as the suggestion works properly.

> expiry-queue cannot be unset
> ----------------------------
>
>                 Key: ARTEMIS-3090
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-3090
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 2.16.0
>            Reporter: Erwin Dondorp
>            Priority: Major
>
> By default, expiry-queue is set to "ExpiryQueue".
> But it is not possible to replace the value with "xsd:nil" since the expiry-queue setting is not nillable as specified in the corresponding XSD.
> However, src/main/java/org/apache/activemq/artemis/core/server/impl/QueueImpl.java implements a use-case to drop the message when no expiry-queue is set.
> This use-case is hard to reach as one must then not set the expiry-queue for the default address (#) and then set the expiry-queue for all other addresses.
> I have 2 use-cases for which not expiry-queue should be set. the first is for destinations that carry low-value data, and second for the ExpiryQueue itself, to make sure that messages will eventually be discarded. The default ExpiryQueue cannot expire messages since its expiry-queue points to itself.
> I suggest that expiry-queue is made nillable, so that it can simply be applied to individual addresses.



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