Hmm, that makes sense. Is there any way to view the content from a message
so that if we know the encoding, we could read what it says?

On Tue, Jan 25, 2022 at 12:53 PM Justin Bertram <jbert...@apache.org> wrote:

> I know you got this work, but for posterity's sake I wanted to make one
> point clear...
>
> The "data print" command won't print the _content_ of the message. As far
> as the broker is concerned the content of the message is an opaque byte
> array. It could be binary data or text data, and even if it is text it
> could be encoded in any way. The broker has no reliable way to determine
> how to decode the data so it won't even try to print it.
>
>
> Justin
>
> On Tue, Jan 25, 2022 at 11:47 AM Matthew Harris <harrisman1...@gmail.com>
> wrote:
>
> > My apologies, I just needed to try again, I got it working now. Thanks
> for
> > clearing everything up!
> >
> > On Tue, Jan 25, 2022 at 12:39 PM Matthew Harris <harrisman1...@gmail.com
> >
> > wrote:
> >
> > > That was definitely my point of confusion, thank you both for clearing
> it
> > > up.
> > >
> > > One quick follow up - what's the best way to analyze the contents of a
> > > "*.amq" journal file? I've tried various uses of the "artemis data ___"
> > > command, but I've never gotten the messages I've sent during a broker's
> > > session to show up when analyzing the journal files with any methods
> I've
> > > tried.
> > >
> > > On Tue, Jan 25, 2022 at 12:17 PM Justin Bertram <jbert...@apache.org>
> > > wrote:
> > >
> > >> In my opinion the documentation is not very clear on this point. It
> > says:
> > >>
> > >>  > ActiveMQ Artemis will keep a copy of each generated journal file,
> up
> > to
> > >> the configured retention period, at the unit chose. On the example
> above
> > >> the system would keep all the journal files up to 365 days.
> > >>
> > >> As far as I can tell "each generated journal" file is different from
> > >> "candidates for deletion."
> > >>
> > >> I will fix this soon if nobody else beats me to it first.
> > >>
> > >>
> > >> Justin
> > >>
> > >> On Tue, Jan 25, 2022 at 11:09 AM Gary Tully <gary.tu...@gmail.com>
> > wrote:
> > >>
> > >> > It does not keep two copies of the data, is is more that journal
> files
> > >> > that are candidates for deletion are archived or retained rather
> than
> > >> > being deleted.
> > >> > if the data is still in the journal, then it won't exist in the
> > >> > retention folder.
> > >> >
> > >> > send and consume more messages such that compaction would cleanup
> and
> > >> > remove some journal data files, those will then appear in the
> > >> > retention folder.
> > >> >
> > >> > On Tue, 25 Jan 2022 at 16:33, Matthew Harris <
> harrisman1...@gmail.com
> > >
> > >> > wrote:
> > >> > >
> > >> > > Hi,
> > >> > >
> > >> > > I'm trying to set up data persistence with an Artemis ActiveMQ
> > broker,
> > >> > > version 2.20.0.
> > >> > >
> > >> > > In broker.xml, I use a "journal-retention-directory" tag to
> create a
> > >> > > copy of the journals generated by running the broker in the
> > >> > > "data/retention" directory for 365 days, as described in the
> > >> > documentation
> > >> > > here:
> > >> > >
> > >> >
> > >>
> >
> https://activemq.apache.org/components/artemis/documentation/latest/persistence.html
> > >> > > .
> > >> > >
> > >> > > After I do this, I use "artemis producer" and "artemis consumer"
> to
> > >> send
> > >> > > and receive sample messages and populate the journal with data.
> > >> However,
> > >> > > once I stop the broker using "artemis stop" and move to the
> > >> > > "data/retention" directory, I see no copies of the journals.
> > >> > >
> > >> > > Am I missing something in the set up, or is there something else I
> > >> need
> > >> > to
> > >> > > do to enable retention? I've been troubleshooting this for a bit
> and
> > >> am a
> > >> > > little lost.
> > >> > >
> > >> > > Thanks,
> > >> > > Matthew
> > >> >
> > >> >
> > >>
> > >
> >
>

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