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Date: Sat, 26 Jan 2013 20:33:12 +0000 (UTC)
From: "Joan Touzet (JIRA)" <jira@apache.org>
To: dev@couchdb.apache.org
Message-ID: <JIRA.12497391.1296599129020.196732.1359232392782@arcas>
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Subject: [jira] [Commented] (COUCHDB-1053) missing_named_view for reduce
 fxns that compile but throw runtime errors
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    [ https://issues.apache.org/jira/browse/COUCHDB-1053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13563623#comment-13563623 ] 

Joan Touzet commented on COUCHDB-1053:
--------------------------------------

In 1.3.x and master, we no longer throw missing_named_view.

If you have a run-time error in a reduce or map function, the error is logged to the logfile as, for example:

[info] [<0.638.0>] OS Process #Port<0.3197> Log :: function raised exception (new TypeError("This is a fake TypeError.", "undefined", 1))


, but we still return a 200 with any results that manage to successfully return. If no results are returned, it looks like:

{"rows":[
{"key":null,"value":null}
]}

for a reduce=true and 

{"rows":[

]}


for a reduce=false.

Recommend closing as the error reported by the original poster is no longer accurate. This is about the best we can do, though in the future we could consider a 5xx upon any thrown errors.
                
> missing_named_view for reduce fxns that compile but throw runtime errors
> ------------------------------------------------------------------------
>
>                 Key: COUCHDB-1053
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1053
>             Project: CouchDB
>          Issue Type: Bug
>          Components: JavaScript View Server
>         Environment: OSX, prebuilt
>            Reporter: Ryan Richt
>            Assignee: Joan Touzet
>            Priority: Trivial
>             Fix For: 1.3
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> Attempting to query a map-only view with reduce=false yields the same error message as (1) a view that is undefined and (2) a view that has a defined, compile-time valid, but run-time invalid reduce function. So if your reduce function throws a TypeError, you get this cryptic error (cryptic b/c so many problems yield the same error) instead of an error to that effect. Errors do show up in the log, and this is what the view gives:
> {"error":"not_found","reason":"missing_named_view"}
> Might be fixed in 1.0.2 but I cant use the built-in updater anymore after corporate firewall changes!

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