Hi Andy,

Thanks for your prompt response.

My Solr Server contains fields like

- mayor_s
- name_s
- etc etc.

The map between the field of Solr Server and Dbpedia is
(mayor_s-->dbpprop:mayor)

# dbpprop:mayor
        [ text:field "mayor_s" ; text:predicate dbpprop:mayor ]

I tried this query:

SELECT ?res
WHERE {
    ?res text:query (dbpprop:mayor 'Ma*')
}

and my Solr Server receives the query looking the log but Jena responds

Error 500: Node.Make null.

Any idea,

Thanks.

Andrea



2013/10/9 Andy Seaborne <[email protected]>

> I'm trying to config the Jena file tdb-config.ttl for Solr index and I get
>> this error
>>
>> Document is missing mandatory uniqueKey field: id
>>
>> I want to map, for example, the field country_s Solr on my config.ttl
>> file.
>>
>
> Thanks for config file, which looks OK.
>
> In your schema.xml for Solr, what have you defined?
>
> Unfortunately, for Solr, you have to align the client (Solr4j and Fuseki)
> with the server side.  There is no way to do this automatically.
>
>         Andy
>
>
>


-- 
Andrea Dessi

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