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https://issues.apache.org/jira/browse/NUTCH-982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13019299#comment-13019299
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Markus Jelsma commented on NUTCH-982:
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If there are no objection i'll commit this today.
> Remove copying of ID and URL field in solrmapping
> -------------------------------------------------
>
> Key: NUTCH-982
> URL: https://issues.apache.org/jira/browse/NUTCH-982
> Project: Nutch
> Issue Type: Bug
> Components: indexer
> Affects Versions: 2.0
> Reporter: Markus Jelsma
> Fix For: 2.0
>
> Attachments: NUTCH-982.patch
>
>
> Guys, the Solrindexer seems to be broken in trunk. With current solrmapping
> and code you'll get an exception complaining about multiple values in a
> non-multivalued field; the ID field which must of course be single valued.
> This happens because of the current mapping code and mapping config copy the
> url and id fields. The old 1.3 NutchDocument does not contain an ID field but
> in trunk it does.
> I propose to change the current solrmapping configuration by simply removing:
> <field dest="id" source="url"/>
> <copyField source="url" dest="url"/>
> If not, we need to do something about the solrmapping code.
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