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Posted to dev@lucene.apache.org by "Hoss Man (JIRA)" <ji...@apache.org> on 2014/12/01 18:11:12 UTC
[jira] [Updated] (SOLR-6780) Merging request parameters with
defaults produce duplicate entries
[ https://issues.apache.org/jira/browse/SOLR-6780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hoss Man updated SOLR-6780:
---------------------------
Fix Version/s: Trunk
5.0
4.10.3
planning to commit & backport to 5x today ... hoping to backport to for 4.10.3 tomorow but i want to see it run in jenkins at least 24 hours.
> Merging request parameters with defaults produce duplicate entries
> ------------------------------------------------------------------
>
> Key: SOLR-6780
> URL: https://issues.apache.org/jira/browse/SOLR-6780
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.1, 5.0, Trunk
> Reporter: Alexandre Rafalovitch
> Assignee: Hoss Man
> Labels: parameters
> Fix For: 4.10.3, 5.0, Trunk
>
> Attachments: SOLR-6780.patch
>
>
> When a parameter (e.g. echoParams) is specified and overrides the default on the handler, it actually generates two entries for that key with the same value.
> Most of the time it is just a confusion and not an issue, however, some components will do the work twice. For example faceting component as described in http://search-lucene.com/m/QTPaSlFUQ1/duplicate
> It may also be connected to SOLR-6369
> The cause seems to be the interplay between *DefaultSolrParams#getParameterNamesIterator()* which just returns param names in sequence and *SolrParams#toNamedList()* which uses the first (override then default) value for each key, without deduplication.
> It's easily reproducible in trunk against schemaless example with
> bq. curl "http://localhost:8983/solr/schemaless/select?indent=true&echoParams=all"
> I've also spot checked it and it seems to be reproducible back to Solr 4.1.
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