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From: John Bartak <john.bartak@autodesk.com>
To: "user@couchdb.apache.org" <user@couchdb.apache.org>
Date: Mon, 12 Jan 2009 11:10:38 -0800
Subject: RE: Error when running two requests to same view simultaneously
Thread-Topic: Error when running two requests to same view simultaneously
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It appears that the latest code (0.9.0a733848) does fix the crash of the se=
rver.  I now get back a result string that has an error value of missing in=
stead of the document:

{"total_rows":2,"offset":0,"rows":[
{"id":"09e2fb54e77545c0aec61578fe041965","key":["repository.repositoryfile"=
,"ownerid","filename"],"value":null,"error":"missing"},
{"id":"8cc55e26dfb047b09f222d7967f2a047","key":["repository.repositoryfile"=
, "ownerid","filename"],"value":null,"doc":{"_id":"8cc55e26dfb047b09f222d79=
67f2a047","_rev":"2138313893","OwnerId":"ownerId","Name":"filename"}}
]}

I'll have to update my code to handle that, but that's no big deal.

Unfortunately, I don't get back 412's when two threads attempt to update th=
e same revision of a document simultaneously.  This happens for both the bu=
lk_docs api and the standard PUT api:

[info] [<0.3374.0>] 192.168.200.1 - - 'GET' /fileinttests_20090112_105825_5=
01_1818439740/473dccb50cb54a57abe19e7687c491ce?rev=3D4134090793 200
[info] [<0.3371.0>] 192.168.200.1 - - 'GET' /fileinttests_20090112_105825_5=
01_1818439740/473dccb50cb54a57abe19e7687c491ce?rev=3D4134090793 200
[info] [<0.3371.0>] 192.168.200.1 - - 'PUT' /fileinttests_20090112_105825_5=
01_1818439740/473dccb50cb54a57abe19e7687c491ce 201
[info] [<0.3374.0>] 192.168.200.1 - - 'PUT' /fileinttests_20090112_105825_5=
01_1818439740/473dccb50cb54a57abe19e7687c491ce 201

In the two threads that I have running, I first get the document I want to =
revise and I then update the revision.


-----Original Message-----
From: Chris Anderson [mailto:jchris@gmail.com]
Sent: Saturday, January 10, 2009 9:54 AM
To: user@couchdb.apache.org
Subject: Re: Error when running two requests to same view simultaneously

On Sat, Jan 10, 2009 at 8:48 AM, Michael McDaniel <couchdb@autosys.us> wrot=
e:
>  The short answer is that there is no function  couch_doc:to_json_doc/2
>  that accepts the arguments ( {not_found, missing}, [] ) gracefully
>
>>            {function_clause,
>>                [{couch_doc,to_json_obj,[{not_found,missing},[]]},
>>                ...
>

The problem seems to have been in the error handling in the
include_docs code. Do you mind updating to the latest trunk and
attempting to recreate the error? It should be fixed.


--
Chris Anderson
http://jchris.mfdz.com