twisted.web.httpView Source (View In Hierarchy)
may be raised by a transfer encoding decoder's
method to indicate that it cannot be determined if the entire response body
has been delivered. This only occurs when making requests to HTTP servers
which do not set Content-Length or a Transfer-Encoding in the
response because in this case the end of the response is indicated by the
connection being closed, an event which may also be due to a transient
network problem or other error.