Re: [Bigdata-developers] Problems with RDR

[Max O. <ma...@ni...>]

Bryan,

No idea what deployment mode I'm using. Just following the getting started
guide on the web site. Also can't access the ticket:

OperationalError: (1030, 'Got error 28 from storage engine')


Cheers,

-max


On Wed, Apr 15, 2015 at 8:56 PM Bryan Thompson <br...@sy...> wrote:

> Max,
>
> What deployment mode are you using? Do you have the log from startup where
> it lists out the registered RDF parser factories? Openrdf needs to be
> before The Blazegraph jar on the class path or the RDR parsers will get
> unregistered by openrdf. See http://trac.bigdata.com/ticket/1060.  We
> hope to address this issue in 1.5.2.
>
> Thanks,
> Bryan
>
>
> On Tuesday, April 14, 2015, Max Ott <ma...@ni...> wrote:
>
>> Hi,
>>
>> I have trying to get the RDR extension working as this is the feature I'm
>> most interested in. So I copied a simple statement from the web site into a
>> file called 'bob.tut'
>>
>> @prefix : <http://bigdata.com> .
>> @prefix foaf: <http://xmlns.com/foaf/0.1/> .
>>
>> :bob foaf:name "Bob" .
>> <<:bob foaf:age 23>> dct:creator <http://example.com/crawlers#c1> ;
>>                      dct:source <http://example.net/homepage-listing.html>
>> .
>>
>> (BTW, the trailing dot on line 2 and ‘;’ on line 5 is missing in the wiki
>> writeup).
>>
>> I then created a namespace “test” with RDR selected which gave me the
>> following service description:
>>
>> ….
>> <endpoint xmlns="http://www.w3.org/ns/sparql-service-description#"
>> rdf:resource="http://localhost:9999/bigdata/namespace/test/sparql”/>
>> …
>>         <feature xmlns="http://www.w3.org/ns/sparql-service-description#"
>> rdf:resource="http://www.bigdata.com/rdf#/features/KB/Mode/Sids"/>
>>         <feature xmlns="http://www.w3.org/ns/sparql-service-description#"
>> rdf:resource="http://www.bigdata.com/rdf#/features/KB/TruthMaintenance"/>
>>
>> If I now try to upload ‘bob’, I get the following error:
>>
>> $ curl -D- -H 'Content-Type: text/turtle' --upload-file bob.tut -X POST '
>> http://localhost:9999/bigdata/namespace/test/sparql/test/sparql?context-uri=http://example.org/tbox'
>>
>> HTTP/1.1 100 Continue
>>
>> HTTP/1.1 500 Server Error
>> Content-Type: text/plain
>> Transfer-Encoding: chunked
>> Server: Jetty(9.2.3.v20140905)
>>
>> INSERT-WITH-BODY: baseURI=
>> http://192.168.59.3:9999/bigdata/namespace/test/sparql, context-uri=[
>> http://example.org/tbox]
>> java.util.concurrent.ExecutionException:
>> org.openrdf.rio.RDFParseException: IRI included an unencoded space: '32'
>> [line 5]
>> ….
>>
>> Looks like the RDF parser didn’t get the memo that I’m sending RDR data,
>> but I have no idea what I’m doing wrong, nor apparently what I'm doing -
>> period :)
>>
>> Any help would be greatly appreciated.
>>
>> Cheers,
>> -max
>>
>>
>
> --
> ----
> Bryan Thompson
> Chief Scientist & Founder
> SYSTAP, LLC
> 4501 Tower Road
> Greensboro, NC 27410
> br...@sy...
> http://blazegraph.com
> http://blog.bigdata.com <http://bigdata.com>
> http://mapgraph.io
>
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> graph database that supports both RDF/SPARQL and Tinkerpop/Blueprints
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>
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