[jira] Commented: (SOLR-2110) Distributed faceting can create invalid refinement requests when "key" is complex

["Yonik Seeley (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-2110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12907226#action_12907226 ] 

Yonik Seeley commented on SOLR-2110:
------------------------------------

Proposed fixes:
 - check for facet/exception (or the lack of facet/facet_fields)
 - the generated param name for listing the refinement terms should be mangled/escaped to ensure correct syntax
 - OPTIONAL: param dereferencing should be able to support the full range of values (right now it's just an "id")

> Distributed faceting can create invalid refinement requests when "key" is complex
> ---------------------------------------------------------------------------------
>
>                 Key: SOLR-2110
>                 URL: https://issues.apache.org/jira/browse/SOLR-2110
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Yonik Seeley
>            Priority: Minor
>
> The NPE described here: http://search.lucidimagination.com/search/document/a4c217d153635301
> is due to 2 issues.  An exception in a refinement request isn't checked for, and a NPE results, masking the original exception.
> The original exception is caused by Solr using local param dereferencing with a param name derived from the "key" for that facet.
> If the key is something like "a/b/c" the request fails.

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