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Date: Mon, 30 Jan 2012 15:02:10 +0000 (UTC)
From: "Yonik Seeley (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (SOLR-3073) Distributed Grouping fails if the
 uniqueKey is a UUID
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    [ https://issues.apache.org/jira/browse/SOLR-3073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196159#comment-13196159 ] 

Yonik Seeley commented on SOLR-3073:
------------------------------------

I assume the results of TopGroupsResultTransformer is never exposed to the end user (i.e. the end user won't know that we use strings internally)?  If so, this fix seems easiest.  If not, then UUIDField itself should be fixed to not return a UUID from toObject.
                
> Distributed Grouping fails if the uniqueKey is a UUID
> -----------------------------------------------------
>
>                 Key: SOLR-3073
>                 URL: https://issues.apache.org/jira/browse/SOLR-3073
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 3.5
>            Reporter: Devon Krisman
>            Priority: Minor
>             Fix For: 3.6
>
>         Attachments: SOLR-3073-3x.patch, SOLR-3073-3x.patch
>
>
> Attempting to use distributed grouping (using a StrField as the group.fieldname) with a UUID as the uniqueKey results in an error because the classname (java.util.UUID) is prepended to the field value during the second phase of the grouping.

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