Michael Salmon Wrote:
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> I started testing using a Unix domain socket so that I could a way to
> send a message when my site was down for maintenance but I ran into a
> problem. When I restarted nginx it complained that the sockets already
> existed and wouldn't start. Is this the expected behaviour?

No, is bug.
Here fix
http://hg.nginx.org/pkg-oss/rev/fa1476eab346