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From "Christine Poerschke (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-13496) NullPointerException in JSONWriter.writeSolrDocument
Date Thu, 06 Jun 2019 10:23:00 GMT

     [ https://issues.apache.org/jira/browse/SOLR-13496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christine Poerschke updated SOLR-13496:
---------------------------------------
    Attachment: SOLR-13496.patch

> NullPointerException in JSONWriter.writeSolrDocument
> ----------------------------------------------------
>
>                 Key: SOLR-13496
>                 URL: https://issues.apache.org/jira/browse/SOLR-13496
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Christine Poerschke
>            Assignee: Christine Poerschke
>            Priority: Minor
>         Attachments: SOLR-13496.patch, SOLR-13496.patch, SOLR-13496.patch
>
>
> For non-grouped searches [QueryComponent.regularFinishStage|https://github.com/apache/lucene-solr/blob/releases/lucene-solr/8.1.1/solr/core/src/java/org/apache/solr/handler/component/QueryComponent.java#L647-L655]
already considers the possibility of null {{SolrDocument}} values due to an index change.
> For grouped searches [GroupedEndResultTransformer.transform|https://github.com/apache/lucene-solr/blob/releases/lucene-solr/8.1.1/solr/core/src/java/org/apache/solr/search/grouping/endresulttransformer/GroupedEndResultTransformer.java#L94-L114]
potentially adds a null element to a {{SolrDocumentList}}.
> The [TextResponseWriter.writeSolrDocumentList|https://github.com/apache/lucene-solr/blob/releases/lucene-solr/8.1.1/solr/core/src/java/org/apache/solr/response/TextResponseWriter.java#L170]
method passes any null {{SolrDocument}} through to the [JSONWriter.writeSolrDocument|https://github.com/apache/lucene-solr/blob/releases/lucene-solr/8.1.1/solr/core/src/java/org/apache/solr/response/JSONWriter.java#L87]
method leading to a {{NullPointerException}} at line 87.



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