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From J Chris Anderson <jch...@apache.org>
Subject Re: 409 document conflict... but rev is correct
Date Wed, 04 Aug 2010 14:30:45 GMT

On Aug 3, 2010, at 9:57 PM, Erick Johnson wrote:

> Hi all,
> 
> I have an automated job that runs hourly updating the documents in a single
> couch database.  The job has been running perfectly fine for about 2 months now.
> However today, on updating one of the documents, couch consistently returns a 409
> to the PUT.  When doing a GET on the document I see that the _rev value sent
> in the PUT is the most up to date revision.
> 
> From the book and the wiki I know of no other conditions in which a 409 is returned.
> 
> Could anyone offer me some advice on what else could be going on here?
> Under what other conditions other than mismatched rev's does a 409 get returned?
> 

This seems odd. If you can make it reproducible, it may be a bug. If you can't make it reproducible,
it could be a strange bug.

Please don't compact or delete this database file. Is it possible to share the file with me?
If it is non proprietary data we'd be happy to take a look at the file itself to make sure
there aren't underlying issues.

If you are comfortable doing so, please email me at jchris@apache.org and I'll arrange a way
to receive the .couch file so we can debug over here.

Thanks,
Chris

> I appreciate any help.
> 
> Thank you,
> 
> Erick Johnson
> 
> couchdb version:
> 
> $ /usr/local/couchdb/bin/couchdb -V
> couchdb - Apache CouchDB 0.11.0
> 
> curl output:
> 
> >>> the GET >>>
> 
> $ curl -vvv http://user:password@127.0.0.1:5984/stream/ee0477b5d9323304cd2033521fae5fa6c185ca92
> * About to connect() to 127.0.0.1 port 5984
> *   Trying 127.0.0.1... connected
> * Connected to 127.0.0.1 (127.0.0.1) port 5984
> * Server auth using Basic with user 'user'
> > GET /stream/ee0477b5d9323304cd2033521fae5fa6c185ca92 HTTP/1.1
> > Authorization: Basic am5jdG5fY291Y2g6MGlqemE4N3Vha3pIMzhud0xLSA==
> > User-Agent: curl/7.15.5 (x86_64-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b
zlib/1.2.3 libidn/0.6.5
> > Host: 127.0.0.1:5984
> > Accept: */*
> >
> < HTTP/1.1 200 OK
> < Server: CouchDB/0.11.0 (Erlang OTP/R13B)
> < Etag: "2-2a29a1819ff496ab1dc3d19f79f1c029"
> < Date: Wed, 04 Aug 2010 04:44:10 GMT
> < Content-Type: text/plain;charset=utf-8
> < Content-Length: 301
> < Cache-Control: must-revalidate
> {"_id":"ee0477b5d9323304cd2033521fae5fa6c185ca92","_rev":"2-2a29a1819ff496ab1dc3d19f79f1c029","server_name":"African","listen_url":"http://stream.wananchi.com:80/African","server_type":"audio/mpeg","bitrate":"128","channels":"0","samplerate":"0","genre":"african","current_song":"Salif
Keita - Mama"}
> * Connection #0 to host 127.0.0.1 left intact
> * Closing connection #0
> 
> >>> the PUT >>>
> 
> $ curl -vvv -XPUT http://user:password@127.0.0.1:5984/stream/ee0477b5d9323304cd2033521fae5fa6c185ca92
-d '{"server_name":"African","listen_url":"http:\/\/stream.wananchi.com:80\/African","server_type":"audio\/mpeg","bitrate":"128","channels":"0","samplerate":"0","genre":"african","current_song":"Salif
Keita - Mama","_rev":"2-2a29a1819ff496ab1dc3d19f79f1c029"}'
> * About to connect() to 127.0.0.1 port 5984
> *   Trying 127.0.0.1... connected
> * Connected to 127.0.0.1 (127.0.0.1) port 5984
> * Server auth using Basic with user 'user'
> > PUT /stream/ee0477b5d9323304cd2033521fae5fa6c185ca92 HTTP/1.1
> > Authorization: Basic am5jdG5fY291Y2g6MGlqemE4N3Vha3pIMzhud0xLSA==
> > User-Agent: curl/7.15.5 (x86_64-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b
zlib/1.2.3 libidn/0.6.5
> > Host: 127.0.0.1:5984
> > Accept: */*
> > Content-Length: 255
> > Content-Type: application/x-www-form-urlencoded
> >
> > {"server_name":"African","listen_url":"http:\/\/stream.wananchi.com:80\/African","server_type":"audio\/mpeg","bitrate":"128","channels":"0","samplerate":"0","genre":"african","current_song":"Salif
Keita - Mama","_rev":"2-2a29a1819ff496ab1dc3d19f79f1c029"}HTTP/1.1 409 Conflict
> < Server: CouchDB/0.11.0 (Erlang OTP/R13B)
> < Date: Wed, 04 Aug 2010 04:44:15 GMT
> < Content-Type: text/plain;charset=utf-8
> < Content-Length: 58
> < Cache-Control: must-revalidate
> {"error":"conflict","reason":"Document update conflict."}
> * Connection #0 to host 127.0.0.1 left intact
> * Closing connection #0
> 
> 
> -- 
> Erick Johnson
> 
> 1-800-801-3381 x7006
> Junction Networks
> sip:erick@junctionnetworks.com
> xmpp:erick@junctionnetworks.com


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