<html><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:8pt"><div>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 !<span><br></span></div> <div class="qtdSeparateBR"><br><br></div><div style="display: block;" class="yahoo_quoted"> <div style="font-family: Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 8pt;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 12pt;"> <div dir="ltr"> <font face="Arial" size="2"> On Friday, 30 May 2014, 14:35, Simon MacMullen <simon@rabbitmq.com> wrote:<br> </font> </div>  <br><br> <div class="y_msg_container">On 30/05/2014
 2:08PM, John Smith wrote:<br clear="none">> If I try clustering from U12 to U14, I get :<br clear="none">><br clear="none">> Error: {'EXIT',<br clear="none">>             {function_clause,<br clear="none">>                 [{rabbit_control,action,<br clear="none">>                      [join_cluster,'<a shape="rect" ymailto="mailto:rabbit@U12" href="mailto:rabbit@U12">rabbit@U12</a>',<br clear="none">>                       ["<a shape="rect" ymailto="mailto:rabbit@U14" href="mailto:rabbit@U14">rabbit@U14</a>"],<br clear="none">>                       [{"-p","/"},{"-n","<a shape="rect" ymailto="mailto:rabbit@U14" href="mailto:rabbit@U14">rabbit@U14</a>"},{"-q",false}],<br clear="none">> 
                      #Fun<rabbit_control.1.115240681>],<br clear="none">>                      []},<br clear="none">>                  {rabbit_control,start,0,[]},<br clear="none">>                  {init,start_it,1,[]},<br clear="none">>                  {init,start_em,1,[]}]}}<br clear="none"><br clear="none">That is a very odd looking error. The rabbit_control module was renamed <br clear="none">to rabbit_control_main in 3.0.0, the same release in which cluster was <br clear="none">changed to join_cluster.<br clear="none"><br clear="none">So that looks like somehow you have a modern rabbitmqctl mixed in with <br clear="none">an old (2.x) RabbitMQ server.<div class="yqt7177681511"
 id="yqtfd95806"><br clear="none"><br clear="none">> If I try from U14 to U12, I get :<br clear="none">><br clear="none">> Clustering node '<a shape="rect" ymailto="mailto:rabbit@U14" href="mailto:rabbit@U14">rabbit@U14</a>' with '<a shape="rect" ymailto="mailto:rabbit@U12" href="mailto:rabbit@U12">rabbit@U12</a>' ...<br clear="none">> Error: unable to connect to nodes ['<a shape="rect" ymailto="mailto:rabbit@U12" href="mailto:rabbit@U12">rabbit@U12</a>]:<br clear="none">> {'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}]}]}}</div><br clear="none"><br clear="none">That's also consistent with U12 running an old rabbit.<br clear="none"><br clear="none">So I don't know how your installation on U12 has progressed but it has <br clear="none">definitely become mixed up somehow. That should be impossible if just <br clear="none">using .debs, so have
 you installed via some other mechanism as well?<br clear="none"><br clear="none">Cheers, Simon<br clear="none"><br clear="none">-- <br clear="none">Simon MacMullen<br clear="none">RabbitMQ, Pivotal<div class="yqt7177681511" id="yqtfd69296"><br clear="none"></div><br><br></div>  </div> </div>  </div> </div></body></html>