Thanks, Matt! I didn't even notice.

Justin

On Thu, May 14, 2026 at 4:58 PM Matt Pavlovich <[email protected]> wrote:
>
> Hi Andre-
>
> Heads up— Artemis is now its own Apache project.
>
> Best to move this discussion to that list: [email protected] 
> <mailto:[email protected]>
>
> Thanks!
> Matt
>
> > On May 14, 2026, at 1:43 PM, Justin Bertram <[email protected]> wrote:
> >
> > Couple of questions:
> > - How exactly are you attempting to delete the message?
> > - What exactly are you doing when you remove the 0-byte large message
> > file? Are you stopping the broker first? At what point is the 0-byte
> > file recreated?
> > - How do you know the reference still exists in the journal after you
> > delete the message using the web console or CLI?
> >
> >
> >
> > Justin
> >
> > On Thu, May 14, 2026 at 5:39 AM André António Santos Antunes Conrado
> > <[email protected]> wrote:
> >>
> >> Hi,
> >>
> >> We have an ActiveMQ Artemis cluster with three nodes, previously running
> >> version *2.42.0*. The cluster has generally been stable, but recently we
> >> noticed an unusual issue.
> >>
> >> Inside .../artemis-broker/data/large-messages, we found several zero-byte
> >> large message files, for example:
> >>
> >> -rw-r--r--. 1 artemis artemis      0 Mar 30 13:25 13017812601.msg
> >> -rw-r--r--. 1 artemis artemis      0 Mar 30 13:25 13017812608.msg
> >> -rw-r--r--. 1 artemis artemis      0 Mar 30 13:25 13017812613.msg
> >> -rw-r--r--. 1 artemis artemis      0 Mar 30 13:25 13017812615.msg
> >> -rw-r--r--. 1 artemis artemis      0 Mar 30 13:25 13017812622.msg
> >> -rw-r--r--. 1 artemis artemis      0 Mar 30 13:25 13017817681.msg
> >>
> >> These messages appear to belong to internal inter-broker queues such as:
> >>
> >> $.artemis.internal.sf.artemis-cluster.9188e6b4-8238-11ef-8993-06b0c3061c67
> >> $.artemis.internal.sf.artemis-cluster.41e45e74-8238-11ef-91fe-023522aac679
> >>
> >> For security reasons, we have since upgraded the cluster to version 
> >> *2.53.0*
> >> .
> >>
> >> At this point, recovering these messages is no longer important, although
> >> we are not entirely sure whether they were successfully delivered
> >> previously.
> >>
> >> The main issue is that we are unable to remove them.
> >>
> >> When deleting the messages through the web console, we receive the
> >> confirmation:
> >>
> >>> "Messages deleted successfully [13017812601]"
> >>
> >> However, the message still remains afterward. We observe the same behavior
> >> when using the CLI.
> >>
> >> We also attempted to delete the corresponding large message files manually,
> >> but because references still exist in the journal, the files are
> >> automatically recreated.
> >>
> >> What would be the safest and recommended procedure to permanently remove
> >> these messages from the cluster and clean up the related journal 
> >> references?
> >>
> >> Best regards,
> >>
> >> ---
> >> André Antunes Conrado
> >
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> >
> >
>

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