[rabbitmq-discuss] Why is it so difficult to setup clustering ?

[John Smith]

Just to follow up, definitley reckon something is messed up with your apt repository.   Uninstalled the repo version, installed the deb file from the MQ site and it works fine !



On Friday, 30 May 2014, 14:35, Simon MacMullen <simon at rabbitmq.com> wrote:
 


On 30/05/2014 2:08PM, John Smith wrote:
> If I try clustering from U12 to U14, I get :
>
> Error: {'EXIT',
>             {function_clause,
>                 [{rabbit_control,action,
>                      [join_cluster,'rabbit at U12',
>                       ["rabbit at U14"],
>                       [{"-p","/"},{"-n","rabbit at U14"},{"-q",false}],
>                       #Fun<rabbit_control.1.115240681>],
>                      []},
>                  {rabbit_control,start,0,[]},
>                  {init,start_it,1,[]},
>                  {init,start_em,1,[]}]}}

That is a very odd looking error. The rabbit_control module was renamed 
to rabbit_control_main in 3.0.0, the same release in which cluster was 
changed to join_cluster.

So that looks like somehow you have a modern rabbitmqctl mixed in with 
an old (2.x) RabbitMQ server.


> If I try from U14 to U12, I get :
>
> Clustering node 'rabbit at U14' with 'rabbit at U12' ...
> Error: unable to connect to nodes ['rabbit at U12]:
> {'EXIT',{undef,[{rabbit_mnesia,cluster_status_from_mnesia,[],[]},{rpc,'-handle_call_call/6-fun-0-',5,[{file,[114,112,99,46,101,114,108]},{line,205}]}]}}

That's also consistent with U12 running an old rabbit.

So I don't know how your installation on U12 has progressed but it has 
definitely become mixed up somehow. That should be impossible if just 
using .debs, so have you installed via some other mechanism as well?

Cheers, Simon

-- 
Simon MacMullen
RabbitMQ, Pivotal
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