([rb_server,stop,infinity]}}}, error when grabbing diags from 8 node cluster) - membase server closes the connection when grabbing diagnostics

i am not able to grab diags from any of the 8 nodes cluster i have on amazon.

membase server closes the connection after downloading the first 3 MB

Server error during processing: ["web request failed",

{path,"/diag"}

,

{type,exit}

,
{what,
{noproc,

{gen_server,call, [rb_server,stop,infinity]}

}},
{trace,
[

{gen_server,call,3}

,

{rb,stop,0}

,

{ns_log_browser,get_logs_as_file,3}

,

{diag_handler,get_logs,0}

,

{diag_handler,handle_logs,1}

,

{menelaus_web,loop,3}

,

{mochiweb_http,headers,5}

,

assigning to aliaksey to give it a try and see if the issue is a longevity or load issue.

url : http://ec2-50-19-170-155.compute-1.amazonaws.com:8091/index.html#sec=log ( Administrator/password )

let me know if you need ssh access to this machine.