Problem with ejabberd_xmlrpc

i got this error when i test ejabberd_xmlrpc
{error, closed}

I use this command in shell
xmlrpc:call({127,0,0,1},4560, "/", {call, echothis, []}).
In my ejabberd.cfg
{4560, ejabberd_xmlrpc, []}

What wrong with my setting or command?
thank you for helping