nodejs express set server: possible EventEmitter memory leak detected
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![code][1]


My node js like that but when i start this server, it meet te error :

 ![error][2]


  [1]: http://i.stack.imgur.com/ASiIS.png
  [2]: http://i.stack.imgur.com/4spa5.png

and my node version is v0.6.18.
and i follow the suggestion as 
http://stackoverflow.com/questions/9768444/possible-eventemitter-memory-leak-detected

add req.setMaxListeners(0)
but it doesn't work.
