[jira] [Resolved] (SOLR-8215) SolrCloud can select a core not in active state for querying

["Varun Thacker (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-8215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Varun Thacker resolved SOLR-8215.
---------------------------------
       Resolution: Fixed
         Assignee: Varun Thacker
    Fix Version/s: 5.4

Thanks Mark for the review!

> SolrCloud can select a core not in active state for querying
> ------------------------------------------------------------
>
>                 Key: SOLR-8215
>                 URL: https://issues.apache.org/jira/browse/SOLR-8215
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Varun Thacker
>            Assignee: Varun Thacker
>             Fix For: 5.4
>
>         Attachments: SOLR-8215.patch, SOLR-8215.patch
>
>
> A query can be served by a core which is not in active state if the request hits the node which hosts these non active cores.
> We explicitly check for only active cores to search against  in {{CloudSolrClient#sendRequest}} Line 1043 on trunk.
> But we don't check this if someone uses the REST APIs 
> {{HttpSolrCall#getCoreByCollection}} should only pick cores which are active on line 794 on trunk. 
> We however check it on line 882/883 in HttpSolrCall, when we try to find cores on other nodes when it's not present locally.
> So let's fix {{HttpSolrCall#getCoreByCollection}} to make the active check as well.



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