[jira] [Commented] (COUCHDB-911) Concurrent updates to the same document generate erroneous conflict messages

["Adam Kocoloski (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/COUCHDB-911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13153004#comment-13153004 ] 

Adam Kocoloski commented on COUCHDB-911:
----------------------------------------

Well, I stand corrected don't I?  Great test case Filipe -- I don't know why I thought a dict was being used in the db_updater code path.
                
> Concurrent updates to the same document generate erroneous conflict messages
> ----------------------------------------------------------------------------
>
>                 Key: COUCHDB-911
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-911
>             Project: CouchDB
>          Issue Type: Bug
>          Components: HTTP Interface
>    Affects Versions: 1.0
>         Environment: Cloudant BigCouch EC2 node
>            Reporter: Jay Nelson
>            Priority: Minor
>             Fix For: 1.2
>
>         Attachments: 0001-Add-test-test-etap-074-doc-update-conflicts.t.patch, 0001-Add-test-test-etap-074-doc-update-conflicts.t.patch, 0001-Fix-whitespace.patch, 0002-Failing-test-for-duplicates-in-bulk-docs.patch, 0003-Add-references-to-docs-to-prevent-dups-from-being-co.patch
>
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> Repeating an "_id" in a _bulk_docs post data file results in both entries being reported as document conflict errors.  The first occurrence actual inserts into the database, and only the second occurrence should report a conflict.
> curl -d '{ "docs": [ {"_id":"foo"}, {"_id","foo"} ] }' -H 'Content-Type:application/json' -X POST http://appadvice.cloudant.com/foo/_bulk_docs
> [{"id":"foo","error":"conflict","reason":"Document update conflict."},{"id":"foo","error":"conflict","reason":"Document update conflict."}]
> But the database shows that one new document was actually inserted.
> Only the second occurrence should report conflict.  The first occurrence should report the "_rev" property of the newly inserted doc.

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