Hi There Just as an update to this thread I have resolved the issue. The new schema.xml had this entries
<!-- If you don't use child/nested documents, then you should remove the
next two fields: -->
<!-- for nested documents (minimal; points to root document) -->
<field name="_root_" type="string" indexed="true" stored="false"
docValues="false" />
<!-- for nested documents (relationship tracking) -->
<field name="_nest_path_" type="_nest_path_" /><fieldType
name="_nest_path_" class="solr.NestPathField" />
Once I commented out the lines containing _root_ and _nest_path_ (as we
don't have nested documents) and re-started solr then no further duplication
on update occurred.
Regards
Matthew
Matthew Flowerday | Consultant | ULEAF
Unisys | 01908 774830| matthew.flower...@unisys.com
Address Enigma | Wavendon Business Park | Wavendon | Milton Keynes | MK17
8LX
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-----Original Message-----
From: Flowerday, Matthew J <matthew.flower...@gb.unisys.com>
Sent: 15 January 2021 11:18
To: solr-user@lucene.apache.org
Subject: RE: Query over migrating a solr database from 7.7.1 to 8.7.0
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