Hi,<br><br> I have configured rabbitmq+mcollective on a host with stomp. I see below error when tried to mc-ping.  Any idea on what could be the issue ? Or is there a better way to setup mcollective with rabbitmq.<br><br># mc-ping <br>
/usr/sbin/mc-ping failed to run: incompatible marshal file format (can&#39;t be read)<br>    format version 4.8 required; 89.111 given (TypeError)<br><br># less /var/log/rabbitmq/rabbit@ops-build-1.log <br><br>=ERROR REPORT==== 7-Feb-2012::18:21:54 ===<br>
STOMP error frame sent:<br>Message: &quot;Processing error&quot;<br>Detail: &quot;Processing error\n&quot;<br>Server private detail: {undef,<br>                           [{re,split,[&quot;1.0&quot;,&quot;,&quot;,[{return,list}]]},<br>
                            {rabbit_stomp_processor,negotiate_version,1},<br>                            {rabbit_stomp_processor,<br>                                &#39;-process_connect/3-fun-0-&#39;,6},<br>                            {rabbit_stomp_processor,process_request,3},<br>
                            {gen_server2,handle_msg,2},<br>                            {proc_lib,init_p,5}]}<br><br><br># rabbitmqctl status<br><br>Status of node &#39;rabbit@ops-build-1&#39; ...<br>[{pid,29332},<br> {running_applications,<br>
     [{rabbitmq_stomp,&quot;Embedded Rabbit Stomp Adapter&quot;,&quot;2.7.1&quot;},<br>      {rabbit,&quot;RabbitMQ&quot;,&quot;2.7.1&quot;},<br>      {mnesia,&quot;MNESIA  CXC 138 12&quot;,&quot;4.4.3&quot;},<br>      {os_mon,&quot;CPO  CXC 138 46&quot;,&quot;2.1.6&quot;},<br>
      {sasl,&quot;SASL  CXC 138 11&quot;,&quot;2.1.5.3&quot;},<br>      {amqp_client,&quot;RabbitMQ AMQP Client&quot;,&quot;2.7.1&quot;},<br>      {stdlib,&quot;ERTS  CXC 138 10&quot;,&quot;1.15.3&quot;},<br>      {kernel,&quot;ERTS  CXC 138 10&quot;,&quot;2.12.3&quot;}]},<br>
 {os,{unix,linux}},<br> {erlang_version,<br>     &quot;Erlang (BEAM) emulator version 5.6.3 [source] [64-bit] [smp:8] [async-threads:30] [kernel-poll:true]\n&quot;},<br> {memory,<br>     [{total,32028218},<br>      {processes,10076904},<br>
      {processes_used,10070256},<br>      {system,21951314},<br>      {atom,1068057},<br>      {atom_used,1054149},<br>      {binary,64614},<br>      {code,11843405},<br>      {ets,742608}]},<br> {vm_memory_high_watermark,0.39999999995230406},<br>
 {vm_memory_limit,3354584678}]<br>...done.<br><br># dpkg -l |grep stomp<br>ii  libstomp-ruby                        1.0.4-3~bpo50+1            Ruby bindings for the stomp messaging protoc<br>ii  libstomp-ruby1.8                     1.0.4-3~bpo50+1            Ruby 1.8 bindings for the stomp messaging pr<br>
ii  libstomp-ruby1.9.1                   1.0.4-3~bpo50+1            Ruby 1.9.1 bindings for the stomp messaging <br><br><br>Regards,<br>Ram<br><br>