hasn't output any message while tcp port is already used
hasn't output any message while tcp port is already used

I print EADDRINUSE: address already in use

this patch isn't good?   or return error?
luvit/lit,1yvT0s/lit,DBarney/lit,james2doyle/lit,lduboeuf/lit,zhaozg/lit,kidaa/lit,squeek502/lit,kaustavha/lit