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https://issues.apache.org/jira/browse/SOLR-9672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15592995#comment-15592995
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Alexandre Rafalovitch commented on SOLR-9672:
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This would have been better asked on the User Mailing list. Because, as far as
I can tell, you have multivalued docvalues and the field documentation says for
those cases:
{noformat}
In it's simplest (single argument) form, this function can only be used on
single valued fields..... For multivalued docValues fields:
field(myMultiValuedFloatField,min)
{noformat}
But that's for numerics. I am not sure whether docValues support for
multiValued strings would work here. But on mailing list, more people would see
your question.
> When using a mutilvalued field(fieldname) in fl an error appears
> ----------------------------------------------------------------
>
> Key: SOLR-9672
> URL: https://issues.apache.org/jira/browse/SOLR-9672
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 5.5, 6.2.1
> Environment: Using Docker Hubs Solr:6.2
> Reporter: Matthew Wilcoxson
> Priority: Minor
>
> When using a schema.xml with a field marked as multiValued, e.g.:
> <field name="frbr_Image-image" type="string" indexed="true" stored="true"
> multiValued="true" />
> this error occurs:
> "an not use FieldCache on multivalued field: frbr_Image-image",
> when the field is requested in the fl parameter and wrapped in the field()
> syntax, i.e.:
> fl=field(frbr_Image-image)
> Full url:
> http://localhost:8983/solr/manifestations_stage/select?fl=field(frbr_Image-image)&q=*:*
> When you remove the field() syntax the error doesn't occur and the correct
> values are returned. This occurs even if the fieldname doesn't need to be
> wrapped.
> I'm mostly using the default solrconfig.xml file (with a few lines taken out)
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