[jira] [Created] (SOLR-15112) SolrJ DocumentObjectBinder.toSolrInputDocument null handling

["Alessandro Benedetti (Jira)" <ji...@apache.org>]

Alessandro Benedetti created SOLR-15112:
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             Summary: SolrJ DocumentObjectBinder.toSolrInputDocument null handling
                 Key: SOLR-15112
                 URL: https://issues.apache.org/jira/browse/SOLR-15112
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: SolrJ
    Affects Versions: 8.7
            Reporter: Alessandro Benedetti
         Attachments: Screenshot 2021-01-27 at 16.07.13.png

Currently the:
org.apache.solr.client.solrj.beans.DocumentObjectBinder#toSolrInputDocument
method doesn't handle nulls in java objects very well.

Even if the field is null in the Java Object, the binder adds the field(with the null value) to the SolrInputDocument.

This may cause issues down the line, for example using UpdateRequestProcessors such as the UUIDUpdateProcessorFactory (which doesn't check the value of the field, but it just checks if a field is present)

The proposal here is to make the binder NOT add null fields to the SolrInputDocument.

Any objection is welcome



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