It appears you are not using child documents, thus you should not define _root_.
~ David Smiley Apache Lucene/Solr Search Developer http://www.linkedin.com/in/davidwsmiley On Tue, Aug 31, 2021 at 4:30 PM Ed Yu <eky...@hotmail.com> wrote: > We have a solr setup from a very old version (1.4) and we are upgrading it > to 8.9. We are stuck at the point that I think the schema.xml is > syntactically free of errors but now giving an error: > > Caused by: org.apache.solr.common.SolrException: Could not load conf for > core nwr_col: Can't load schema /var/solr/data/nwr_col/conf/schema.xml: > _root_ field must be defined using the exact same fieldType as the > uniqueKey field (id) uses: uuid > > We have a field “id” > <field name="id" type="uuid" indexed="true" stored="true" > default="NEW"/> > <fieldType name="uuid" class="solr.UUIDField" indexed="true"/> > > So I added: > > <field name="_root_" type="uuid" indexed="false" stored="false" > docValues="false" default="NEW" /> > > And now I got the following error: > > Caused by: org.apache.solr.common.SolrException: Could not load conf for > core nwr_col: Can't load schema /var/solr/data/nwr_col/conf/schema.xml: > [schema.xml] Duplicate field definition for '_root_' > [[[_root_{type=string,properties=indexed,omitNorms,omitTermFreqAndPositions,sortMissingLast,docValues,useDocValuesAsStored,uninvertible}]]] > and [[[_root_{type=uuid,default=NEW,properties=useDocValuesAsStored}]]] > > Sounds like redefining the _root_ field is not allowed. > > So I need to know: > > > 1. How can we redefine _root_ to fix the above error? > 2. Preferably, is there a way we can disable this parent child document > feature to avoid the need of the _root_ field? > > Sorry for such a noob question. > > Regards, > Ed. > > Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows > >
