Event listener issue

gistfile1.txt

127.0.0.1 - - [Tue, 21 May 2013 13:31:40 GMT] "GET /notifications/posts HTTP/1.1" 501 68 "https://buddycloud.surevine.com/lloyd16@surevine.com" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
127.0.0.1 - - [Tue, 21 May 2013 13:31:40 GMT] "GET /lloyd16@surevine.com/media/avatar?maxheight=50&maxwidth=50 HTTP/1.1" 503 19 "https://buddycloud.surevine.com/lloyd16@surevine.com" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
Listening for confirmation request of transaction 996247df52be4579160cb15a2307b7d3
IN xmpp: <iq id="3fdabd64c9a7d48164ed7b9d4a6ec7ed" type="result" to="lloyd16@surevine.com/0d2d6097-c76c-48fd-b166-6fc04697dbdc" from="channels.surevine.com" xmlns:stream="http://etherx.jabber.org/streams"><pubsub xmlns="http://jabber.org/protocol/pubsub#owner"><affiliations><affiliation jid="lloyd.watkin@surevine.com" affiliation="member" node="/user/lloyd16@surevine.com/posts"/><affiliation jid="lloyd16@surevine.com" affiliation="owner" node="/user/lloyd16@surevine.com/posts"/></affiliations></pubsub></iq>
127.0.0.1 - - [Tue, 21 May 2013 13:31:40 GMT] "GET /lloyd16@surevine.com/subscribers/posts HTTP/1.1" 200 69 "https://buddycloud.surevine.com/lloyd16@surevine.com" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
IN xmpp: <iq id="a28737d129f1665faf71cb65ba5c5336" type="error" to="lloyd16@surevine.com/0d2d6097-c76c-48fd-b166-6fc04697dbdc" from="channels.surevine.com" xmlns:stream="http://etherx.jabber.org/streams"><query xmlns="http://buddycloud.com/channel_directory/similar_channels"><channel-jid>lloyd16@surevine.com</channel-jid></query><error type="cancel" code="503"><service-unavailable xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/></error></iq>
127.0.0.1 - - [Tue, 21 May 2013 13:31:40 GMT] "GET /lloyd16@surevine.com/similar HTTP/1.1" 500 21 "https://buddycloud.surevine.com/lloyd16@surevine.com" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
127.0.0.1 - - [Tue, 21 May 2013 13:31:40 GMT] "GET /lloyd16@surevine.com/media/avatar?maxheight=50&maxwidth=50 HTTP/1.1" 503 19 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
Listening for confirmation request of transaction 38344716121d0dbeae86155b679758bf
127.0.0.1 - - [Tue, 21 May 2013 13:31:40 GMT] "GET /lloyd16@surevine.com/media/avatar?maxheight=75&maxwidth=75 HTTP/1.1" 503 19 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
Listening for confirmation request of transaction 49243fc3a298af2ade90eb705b441924
127.0.0.1 - - [Tue, 21 May 2013 13:34:28 GMT] "GET /lloyd16@surevine.com/media/avatar?maxheight=50&maxwidth=50 HTTP/1.1" 503 19 "https://buddycloud.surevine.com/lloyd16@surevine.com" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
Listening for confirmation request of transaction f6d2bfaa63ebae2dc5ec730e9efa6998
127.0.0.1 - - [Tue, 21 May 2013 13:34:28 GMT] "GET /lloyd.watkin@surevine.com/media/avatar?maxheight=50&maxwidth=50 HTTP/1.1" 503 19 "https://buddycloud.surevine.com/lloyd16@surevine.com" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
Listening for confirmation request of transaction ca0252e4c67978ba1e5b01c652943f31
127.0.0.1 - - [Tue, 21 May 2013 13:34:29 GMT] "GET /lloyd16@surevine.com/media/avatar?maxheight=50&maxwidth=50 HTTP/1.1" 503 19 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
Listening for confirmation request of transaction d3973c5bc992be200fecb5496748d61c
127.0.0.1 - - [Tue, 21 May 2013 13:34:29 GMT] "GET /lloyd.watkin@surevine.com/media/avatar?maxheight=50&maxwidth=50 HTTP/1.1" 503 19 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
Listening for confirmation request of transaction 8d980d6b63fb824c980810fe5a5a0d54
127.0.0.1 - - [Tue, 21 May 2013 13:34:29 GMT] "GET /lloyd16@surevine.com/media/avatar?maxheight=50&maxwidth=50 HTTP/1.1" 503 19 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
Listening for confirmation request of transaction e9c942e70169a83eb3165aa26b631295
(node) warning: possible EventEmitter memory leak detected. 11 listeners added. Use emitter.setMaxListeners() to increase limit.
Trace
    at Client.EventEmitter.addListener (events.js:175:15)
    at Client.EventEmitter.once (events.js:196:8)
    at Session.onStanza (/home/ubuntu/buddycloud-http-api/src/util/session.js:285:20)
    at listenForConfirmationRequest (/home/ubuntu/buddycloud-http-api/src/media.js:146:11)
    at proxyToMediaServer (/home/ubuntu/buddycloud-http-api/src/media.js:59:5)
    at callbacks (/home/ubuntu/buddycloud-http-api/node_modules/express/lib/router/index.js:272:11)
    at exports.mediaServerDiscoverer (/home/ubuntu/buddycloud-http-api/src/util/api.js:249:5)
    at Object.exports.discoverAPI (/home/ubuntu/buddycloud-http-api/src/util/dns.js:71:39)
    at exports.mediaServerDiscoverer (/home/ubuntu/buddycloud-http-api/src/util/api.js:243:7)
    at callbacks (/home/ubuntu/buddycloud-http-api/node_modules/express/lib/router/index.js:272:11)
127.0.0.1 - - [Tue, 21 May 2013 13:34:29 GMT] "GET /lloyd.watkin@surevine.com/media/avatar?maxheight=50&maxwidth=50 HTTP/1.1" 503 19 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"
Listening for confirmation request of transaction 66e273eb8d7c333179f9f95f90a8c820