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From "Pete Vander Giessen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (COUCHDB-1200) _update handler breaks after a conflict is resolved
Date Mon, 20 Jun 2011 18:16:48 GMT
_update handler breaks after a conflict is resolved
---------------------------------------------------

                 Key: COUCHDB-1200
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1200
             Project: CouchDB
          Issue Type: Bug
          Components: Database Core, Replication
    Affects Versions: 1.1
            Reporter: Pete Vander Giessen


My update handlers break after I've introduced and resolved a conflict. Despite the conflict
being resolve, I get the following error when trying to run an update handler on a once-conflicted
document:

{"error":"conflict","reason":"Document update conflict."}

The following script reproduces the issue on 1.1.x. The issue does not appear when run against
a build of trunk:

#!/bin/bash

export HOST=http://localhost:5984

echo "Step 1a -- setup dbs"
curl -X DELETE $HOST/db0
curl -X DELETE $HOST/db1
curl -X PUT $HOST/db0
curl -X PUT $HOST/db1

echo "step 1b -- create an update handler "
curl -X PUT $HOST/db0/_design/foo -d '{"updates":{"bar":"function(doc, req) { doc.foo=1; return
[doc, \"ok\"];}"}}'

echo "step 2 -- create a doc" 
curl -X PUT $HOST/db0/doc1 -d '{content}'
curl -X GET $HOST/db0/doc1

echo "step 3 -- replicate"
curl -X POST $HOST/_replicate -d '{"source":"db0","target":"db1"}' -H "Content-Type:application/json"

echo "step 4 -- a new version of the doc on both dbs"
curl -X PUT $HOST/db0/doc1 -d '{"_rev":"1-05a05c54cce81cc30df678afeab60f6c","content":"some
content"}'
curl -X PUT $HOST/db1/doc1 -d '{"_rev":"1-05a05c54cce81cc30df678afeab60f6c","content":"some
different content"}'

echo "step 5 -- create a conflict "
curl -X POST $HOST/_replicate -d '{"target":"db0","source":"db1"}' -H "Content-Type:application/json"
echo "confirm conflict"
curl -X GET $HOST/db0/doc1?conflicts=true

echo "step 6 -- resolve the conflict"
curl -X DELETE $HOST/db0/doc1?rev=2-2efe11aab7e71ce9124a1039129512da

echo "step 7 -- check to make sure resolved"
curl "$HOST/db0/doc1?conflicts=true&deleted_conflicts=true"

echo "step 8 -- attempt to PUT to our update handler: this produces the error"
curl -X PUT $HOST/db0/_design/foo/_update/bar/doc1?2-3b2f178dbc5e76cbd8df3ddca1963f4b -d '{}'

echo "step 9 -- double-check that conflict was resolved"
curl "$HOST/db0/doc1?conflicts=true&deleted_conflicts=true"

echo "step 10 -- confirm that we can still do a normal PUT" 
curl -X PUT $HOST/db0/doc1 -d '{"_id":"doc1","_rev":"2-3b2f178dbc5e76cbd8df3ddca1963f4b","content":"some
content fnord"}'




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