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https://issues.apache.org/jira/browse/TIKA-1252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13918529#comment-13918529
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Nick Burch commented on TIKA-1252:
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Tika supports multiple values for a given metadata key, though not all parsers
support extracting multiple values for all keys.
I'd suggest you first off try with a recent copy of the tika-app jar, just to
check if it's a problem with how you're integrating with SOLR. If that can't
return multiple author tags, any chance you could upload a small PDF that shows
this problem, so someone can look into why the parser isn't doing so?
> Tika is not indexing all authors of a PDF
> -----------------------------------------
>
> Key: TIKA-1252
> URL: https://issues.apache.org/jira/browse/TIKA-1252
> Project: Tika
> Issue Type: Bug
> Components: metadata, parser
> Affects Versions: 1.4
> Environment: Ubuntu 12.04 (x64) Solr 4.6.0 (Amazon Web Services,
> Bitnami Stack)
> Reporter: Alexandre Madurell
>
> When submitting a PDF with this information in its XMP metadata:
> ...
> <dc:creator>
> <rdf:Bag>
> <rdf:li>Author 1</rdf:li>
> <rdf:li>Author 2</rdf:li>
> </rdf:Bag>
> </dc:creator>
> ...
> Only the first one appears in the collection:
> ...
> "author":["Author 1"],
> "author_s":"Author 1",
> ...
> In spite of having set the field to multiValued in the Solr schema:
> <field name="author" type="text_general" indexed="true" stored="true"
> multiValued="true"/>
> Let me know if there's any further specific information I could provide.
> Thanks in advance!
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