Ok looks like issue with cluster + federation. If I remove slave servers
from all clusters then everything started working. I think something
missing with cluster + federation configuration. If someone point it out
that would be helpful.

On Thu, Nov 10, 2016 at 9:05 PM, <[email protected]> wrote:

> We're also seeing something very similar on a test rig.
>
> We're attempting to abandon AMQ as a broker for mcollective, so I've
> created one client per federated RMQ cluster. However, it _appears_ that
> replies will vanish into the aether randomly.
>
> I've not devoted much time to it, since I thought it was finger-trouble on
> my part, and, well, the AMQ rig still works.
>
> On Sunday, 6 November 2016 13:58:54 UTC, [email protected] wrote:
>>
>> i have a setup as below,
>>
>> Rabbitmq central cluster servers with federation:
>> rabbit-central1.server.com
>> rabbit-central2.server.com
>>
>> Canada location cluster servers which used to connect all canada location
>> servers(sub collective name as canada_mcollective):
>> canada1.server.com
>> canada2.server.com
>>
>> Texas location cluster servers which used to connect all canada location
>> servers(sub collective name as texas_mcollective):
>> texas1.server.com
>> texas2.server.com
>>
>> configured federation upstream on centram cluster as below:
>> virtual host : /mcollective
>> uri : amqp://[email protected]
>> amqp://[email protected]
>> amqp://[email protected]
>> amqp://[email protected]
>> ack mode : on-confirm
>> expirt : 36000000
>>
>> federation upstream policy:
>> virtual host : /mcollective
>> Pattern : ^.*
>> apply to : all
>> definition : federation-upstream-set: all
>> Priority : 0
>>
>> I created exhanges as below,
>>
>> mcollective_broadcast -> topic -> durable
>> mcollective_directed -> direct -> durable
>> mcollective_reply -> direct -> durable
>> canada_mcollective_broadcast -> topic -> durable
>> canada_mcollective_directed -> direct -> durable
>> texas_mcollective_broadcast -> topic -> durable
>> texas_mcollective_directed -> direct -> durable
>>
>> so when do mco ping am not getting response from all the connected
>> servers and sometimes am getting response from some server. Mean not
>> getting stable response.
>> I checked on logs and found that exchanges are fordwarded to each
>> location federatiion cluster.
>> But if do mco shell for each server name with their identity then am
>> getting proper response. I think am missing something here to work with
>> geographical federation configuration.
>>
>> also i have added the parameter "plugin.rabbitmq.use_reply_exchange =
>> true" on both server and client cfg file.
>>
>> Any help please..
>>
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