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From "Robert Newson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (COUCHDB-1510) new_edits=false on new document causes function_clause error
Date Sat, 07 Jul 2012 13:38:33 GMT
Robert Newson created COUCHDB-1510:
--------------------------------------

             Summary: new_edits=false on new document causes function_clause error
                 Key: COUCHDB-1510
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1510
             Project: CouchDB
          Issue Type: Bug
    Affects Versions: 1.2
            Reporter: Robert Newson
            Assignee: Robert Newson
             Fix For: 1.2.1, 1.3


The code for handling new_edits=false assumes a previous revision;

couch_db_updater.erl;
  fun({Client, {#doc{revs={Pos,[_Rev|PrevRevs]}}=NewDoc, Ref}}, AccTree) ->

but in the case of a new document, there isn't one. The user then receives an error, the updater
process dies with a function clause.

The problem here is that a user (elliotcm) is doing new_edits=false for all requests, and
the intensity of the gen_server crashes under load is sufficient to propogate upward to the
top supervisor, crashing couchdb.

So, is the correct behavior to return a 400 or a 201?

#!/bin/sh                                                                                
                                                                                         
                        

URL=http://localhost:5984/mergetest

curl -XDELETE $URL
curl -XPUT $URL
curl -XPUT -d '{}' $URL/doc?new_edits=false

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