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https://issues.apache.org/jira/browse/SOLR-11164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christine Poerschke updated SOLR-11164:
---------------------------------------
Attachment: SOLR-11164.patch
Thanks [~yuyano] for the rebased patch!
I'm attaching patch with two more small revisions:
* removal of duplicate setOriginalQuery call
* in TestLTROnSolrCloud keep the variable number of
shards/replica/shards-per-node but adjust shards-per-node and numberOfNodes
logic
Will run {{ant precommit}} and re-run tests after lunch, and then commit to
master and branch_7x (for 7.1 release).
> OriginalScoreFeature causes NullPointerException during feature logging with
> SolrCloud mode.
> --------------------------------------------------------------------------------------------
>
> Key: SOLR-11164
> URL: https://issues.apache.org/jira/browse/SOLR-11164
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: contrib - LTR
> Affects Versions: 6.6
> Reporter: Yuki Yano
> Assignee: Christine Poerschke
> Attachments: SOLR-11164_master.patch, SOLR-11164_master_v2.patch,
> SOLR-11164.patch, SOLR-11164.patch, SOLR-11164.patch
>
>
> In FeatureTransfer, OriginalScoreFeature uses original Query instance
> preserved in LTRScoringQuery for the evaluation.
> This query is set in RankQuery#wrap during QueryComponent#process.
> With SolrCloud mode, document searches take two steps: finding top-N document
> ids, and filling documents of found ids.
> In this case, FeatureTransformer works in the second step and tries to
> extract features with LTRScoringQuery built in QueryComponent#prepare.
> However, because the second step doesn't call QueryComponent#process, the
> original query of LTRScoringQuery remains null and this causes
> NullPointerException while evaluating OriginalScoreFeature.
> We can get the original query from ResultContext which is an argument of
> DocTransformer#setContext, thus this problem can solve by using it if
> LTRScoringQuery doesn't have correct original query.
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