[Zope] Dechiphering ZServer error report

[Michel Pelletier]

John Hile wrote:
> 
> After running a couple of Zope sites during development for about a
> month (Zope 2.1.4 installed from source, ZServer on port 8080,
> ZMySQLDA, PythonMethods, RedHat 6.1), we've seen the server report the
> following error while running in debug mode (-D) a couple of times:
> 
> 
> ERROR(200) ZServer uncaptured python exception, closing channel
> <zhttp_server listening :8080 at 81f5b90>
> (exceptions.TypeError:unpack non-sequence
> [usr/local/zope/2-1-4s/ZServer/medusa/asyncore.py|handle_read_event|285]
> [/usr/local/zope/2-1-4s/ZServer/medusa/asyncore.py|poll|59]
> [/usr/local/zope/2-1-4s/ZServer/medusa/http_server.py|handle_accept|609])
> 
> Is there someone who is familiar with the innards of ZServer who can
> give me some idea of what is causing these? Thanks.
> 

This apears to be fixed in the CVS.  The reason is dispatcher.accept may
return None if the accept() sys call returns EWOULDBLOCK.

-Michel