Jim Kutter writes:

Any idea what might cause this?

2002-06-11T15:50:30 ERROR(200) ZServer uncaptured python exception, closing channel <ZServer.FTPServer.zope_ftp_channel connected 168.100.185.93:61104 at 0x88c91d4> (exceptions.AttributeError:'None' object has no attribute '_fileno' [/usr/local/zope/ZServer/medusa/asyncore.py|poll|94] [/usr/local/zope/ZServer/medusa/asyncore.py|handle_read_event|391] [/usr/local/zope/ZServer/medusa/asynchat.py|handle_read|82] [/usr/local/zope/ZServer/medusa/asyncore.py|recv|347] [/usr/local/zope/ZServer/medusa/asynchat.py|handle_close|149] [/usr/local/zope/ZServer/medusa/ftp_server.py|close|181] [/usr/local/zope/ZServer/medusa/asyncore.py|close|360] [/usr/local/zope/ZServer/medusa/asyncore.py|del_channel|245] [/usr/local/zope/ZServer/medusa/asyncore.py|__getattr__|366])

With versions before Python 2.1.2 and Zope 2.4.4, I saw several instances where objects suddenly mutated to "None". Maybe, you have such an old installation? Dieter