After updating to the latest trunk of the tigase server, I see this problem just after startup. I did not have this problem earlier (2 weeks ago or so, don't know the version revision from that time).
2012-04-18 18:46:56 ConnectionManager$ConnectionListenerImpl.accept() FINEST: Accept called for service: null@null
2012-04-18 18:46:56 ConnectionManager.serviceStarted() FINER: [[c2s]] Connection started: null, type: accept, Socket: nullSocket[addr=/0:0:0:0:0:0:0:1%0,port=57529,localport=5222]
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