[rabbitmq-discuss] Cannot start Rabbit with rabbitmq_management enabled

[Vitaly Karasik]

I'm running Rabbit 3.1.0   on CENTOS5.6.
Server starts fine until  rabbitmq_management  is enabled.
I don't have custom rabbitmq.config.
Any ideas how I debug this?
TIA,
Vitaly

=ERROR REPORT==== 24-Jul-2013::13:01:50 ===
** Generic server rabbit_web_dispatch_registry terminating 
** Last message in was {add,rabbit_mgmt_redirect,
                            [{port,55672},{ignore_in_use,true}],
                            #Fun<rabbit_web_dispatch.1.31447083>,
                            #Fun<rabbit_web_dispatch.0.114103971>,
                            {[],"Redirect to port 15672"}}
** When Server state == undefined
** Reason for termination == 
** {could_not_start_listener,
       [{port,55672},{ignore_in_use,true}],
       {'EXIT',
           {undef,
               [{lists,keyfind,
                    [name,1,
                     [{loop,
                          {mochiweb_http,loop,
                              [#Fun<rabbit_web_dispatch_sup.0.23589304>]}},
                      {name,rabbit_web_dispatch_sup_55672},
                      {port,55672}]]},
                {mochilists,is_defined,2},
                {mochilists,set_default,2},
                {lists,foldl,3},
                {mochiweb_http,start,1},
                {supervisor,do_start_child,2},
                {supervisor,handle_start_child,2},
                {supervisor,handle_call,3}]}}}

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