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From "Robert Newson (JIRA)" <j...@apache.org>
Subject [jira] Created: (COUCHDB-433) CouchDB doesn't handle Expect header.
Date Thu, 23 Jul 2009 22:54:15 GMT
CouchDB doesn't handle Expect header.
-------------------------------------

                 Key: COUCHDB-433
                 URL: https://issues.apache.org/jira/browse/COUCHDB-433
             Project: CouchDB
          Issue Type: Bug
    Affects Versions: 0.10
            Reporter: Robert Newson


An HTTP client may elect to send an "Expect: 100-Continue" header. All compliant HTTP servers
are required to;

"A server that does not understand or is unable to comply with any of the expectation values
in the Expect field of a request MUST respond with appropriate error status. The server MUST
respond with a 417 (Expectation Failed) status if any of the expectations cannot be met or,
if there are other problems with the request, some other 4xx status."
from http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html

CouchDB sends neither the Continue response (if it supports expect-continue) or 417 (if it
doesn't).

This leads clients that include the header to hang while they timeout expecting either response.

Suggest returning a 417 response so that compliant clients will retry immediately without
the Expect header.

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