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https://issues.apache.org/jira/browse/COUCHDB-2583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14328328#comment-14328328
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ASF subversion and git services commented on COUCHDB-2583:
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Commit 0035f8e33b374713af0133de20a599751166b1da in couchdb's branch
refs/heads/1.x.x from [~s...@rfc1149.net]
[ https://git-wip-us.apache.org/repos/asf?p=couchdb.git;h=0035f8e ]
Consume JSON body even when its content is ignored
"_ensure_full_commit" and "_compact" require that the content-type
be set to "application/json". However, when some content is provided
(such as "{}" in order to send a valid JSON external representation
for the empty object), CouchDB needs to ensure that this content
is read from the incoming HTTP request.
This closes #304
Fixes COUCHDB-2583
Signed-off-by: Alexander Shorin <kxe...@apache.org>
> ensure_full_commit requires empty but typed content or it will unexpectedly
> drops the connection
> ------------------------------------------------------------------------------------------------
>
> Key: COUCHDB-2583
> URL: https://issues.apache.org/jira/browse/COUCHDB-2583
> Project: CouchDB
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: HTTP Interface
> Affects Versions: 1.6.1
> Reporter: Samuel Tardieu
> Attachments: 0001-Consume-JSON-body-even-if-ignored.patch
>
>
> When given an non-empty (but valid) JSON content, some methods such as
> {{_ensure_full_commit}} will abruptly drop a persistent connection instead of
> waiting for a new HTTP request even though no error is signaled in CouchDB
> logs:
> {code:title=Request}
> POST /testdb1/_ensure_full_commit HTTP/1.1
> Host: localhost:5984
> Accept: application/json
> Content-Type: application/json
> Content-Length: 2
> {}
> {code}
> {code:title=Response}
> HTTP/1.1 201 Created
> Server: CouchDB/1.6.1 (Erlang OTP/17)
> Date: Mon, 16 Feb 2015 11:49:11 GMT
> Content-Type: application/json
> Content-Length: 53
> Cache-Control: must-revalidate
> {"ok":true,"instance_start_time":"1424085277160411"}
> {code}
> [connection is closed without warning by CouchDB at this point]
> To remedy that, one could try to give an empty content, but some frameworks
> (such as spray.io) will systematically omit the {{Content-Type}} header in
> this case since it makes little sense to type empty content. However, CouchDB
> will reject the request even though it does *not* want any content:
> {code:title=Request}
> POST /testdb1/_ensure_full_commit HTTP/1.1
> Host: localhost:5984
> Accept: application/json
> Content-Length: 0
> {code}
> {code:title=Response}
> HTTP/1.1 415 Unsupported Media Type
> Server: CouchDB/1.6.1 (Erlang OTP/17)
> Date: Mon, 16 Feb 2015 11:55:52 GMT
> Content-Type: application/json
> Content-Length: 78
> Cache-Control: must-revalidate
> {"error":"bad_content_type","reason":"Content-Type must be application/json"}
> {code}
> This makes it impossible to use those methods with such frameworks. CouchDB
> should not drop the connection and ignore the data if {{Content-Length}} is
> not 0, nor require that data be typed with {{application/json}} if it is
> going to ignore it anyway or if it requires it to be empty.
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