[jira] [Commented] (SOLR-11927) Deleting child documents in XML request

Sun, 25 Oct 2026 21:18:38 -0700 


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https://issues.apache.org/jira/browse/SOLR-11927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18132117#comment-18132117
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Nick Shanin commented on SOLR-11927:
------------------------------------

>From code reading against apache/main b73f03976fa, XML has no empty child-list 
>syntax, and JSON already expresses an empty child list with `_childDocuments_: 
>[]` (solr/core/src/java/org/apache/solr/handler/loader/JsonLoader.java:73). 
>Can this close as won't fix?

🤖 AI-generated 🤖

> Deleting child documents in XML request
> ---------------------------------------
>
>                 Key: SOLR-11927
>                 URL: https://issues.apache.org/jira/browse/SOLR-11927
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 7.2
>            Reporter: Chris de Kok
>            Priority: Major
>
> Currently there are some longstanding issues with deleting updating documents 
> which contain child documents, there is a workaround by always adding the 
> __childDocuments__ property e.g
> curl http://localhost:4003/solr/test/update?commitWithin=3000 -d '
>  [
> {id : 1, _childDocuments_ : []}
> ]'
> Would make sure the child documents are deleted and this works ok.
>  Except in the XML variant.
> <update>
>      <add>
>          <doc>
>              <field name="id">1</field>
>              <doc></doc>
>          </doc>
>      </add>
>  </update>
> It will not work because it will actually try to index it as a child document 
> complaining about missing required fields.



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