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From Martyn Taylor <>
Subject Re: Artemis: Automatic failback does not work
Date Tue, 21 Jun 2016 16:25:40 GMT

Looks like there's a mistake in your slave.xml.  If you change your
acceptor port to match the configured connector (or visa versa), I think
you'll be good to go.

Please let me know if this resolves your problem.



   <connector name="netty-connector">tcp://</connector>

     <acceptor name="netty-acceptor">tcp://</acceptor>  //
Should be tcp://

On Tue, Jun 21, 2016 at 4:26 PM, Martyn Taylor <> wrote:

> How many messages do you have in the broker when this happens?  There is a
> sync period which may take a short while, particularly if there's a lot of
> data in the broker or the connection between the live and backup is slow.
> Essentially what is happening during this period is.
> 1. Master starts up checks to see if there is broker running with the same
> ID.
> 2. Same ID found, master starts as slave
> 3. Master starts replicating the live node until both nodes are in sync.
> 4. Live is then shutdown
> 5. Master takes over as live
> 6. Slave starts as backup.  Sync happens again for the backup (in case any
> messages were sent during it's shutdown).
> You will experience some delay during this sync period, the length depends
> on how many messages you have in the broker.
> That said, I have seen issues where the master hangs on failback.  So,
> I'll take a look here.
> Could you also let me know if you have many persisted messages and could
> you try again and just wait a little longer to ensure it's not the expected
> delay described above.
> Thanks
> On Tue, Jun 21, 2016 at 3:23 PM, Sebastian Dellwig <
>> wrote:
>> Hi Martyn,
>> I tried it now with version 1.3.0.
>> Same behavior.
>> I waited a couple of minutes, but the failback does not happen.
>> Instead both permanently post: AMQ212034: There are more than one servers
>> on
>> the network broadcasting the same node id.
>> I'll send you my broker.xml files.
>> Thanks in advance.
>> -Sebastian
>> --
>> View this message in context:
>> Sent from the ActiveMQ - User mailing list archive at

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