[jira] [Assigned] (SOLR-6029) CollapsingQParserPlugin throws ArrayIndexOutOfBoundsException if elevated doc has been deleted from a segment

["Joel Bernstein (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-6029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein reassigned SOLR-6029:
------------------------------------

    Assignee: Joel Bernstein

> CollapsingQParserPlugin throws ArrayIndexOutOfBoundsException if elevated doc has been deleted from a segment
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-6029
>                 URL: https://issues.apache.org/jira/browse/SOLR-6029
>             Project: Solr
>          Issue Type: Bug
>          Components: query parsers
>    Affects Versions: 4.7.1
>            Reporter: Greg Harris
>            Assignee: Joel Bernstein
>            Priority: Minor
>         Attachments: SOLR-6029.patch
>
>
> CollapsingQParserPlugin misidentifies if a document is not found in a segment if the docid previously existed in a segment ie.... was deleted. 
> Relevant code bit from CollapsingQParserPlugin needs to be changed from:
> -if(doc != -1) {
> +if((doc != -1) && (doc != DocsEnum.NO_MORE_DOCS)) {
> What happens is if the doc is not found the returned value is DocsEnum.NO_MORE_DOCS. This would then get set in the fq bitSet array as the doc location causing an ArrayIndexOutOfBoundsException as the array is only as big as maxDocs. 



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