Re: [Bigdata-developers] Problems with RDR

[Bryan T. <br...@sy...>]

That would be the MySQL backend...

There are several deployment modes referenced on
http://www.blazegraph.com/download

Are you are using the embedded jar?

Thanks,
Bryan

On Wednesday, April 15, 2015, Max Ott <ma...@ni...> wrote:

> 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...
> <javascript:_e(%7B%7D,'cvml','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...
>> <javascript:_e(%7B%7D,'cvml','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... <javascript:_e(%7B%7D,'cvml','br...@sy...');>
>> http://blazegraph.com
>> http://blog.bigdata.com <http://bigdata.com>
>> http://mapgraph.io
>>
>> Blazegraph™ <http://www.blazegraph.com/> is our ultra high-performance
>> graph database that supports both RDF/SPARQL and Tinkerpop/Blueprints
>> APIs.  MapGraph™ <http://www.systap.com/mapgraph> is our disruptive new
>> technology to use GPUs to accelerate data-parallel graph analytics.
>>
>> CONFIDENTIALITY NOTICE:  This email and its contents and attachments are
>> for the sole use of the intended recipient(s) and are confidential or
>> proprietary to SYSTAP. Any unauthorized review, use, disclosure,
>> dissemination or copying of this email or its contents or attachments is
>> prohibited. If you have received this communication in error, please notify
>> the sender by reply email and permanently delete all copies of the email
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>>
>>

-- 
----
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

Blazegraph™ <http://www.blazegraph.com/> is our ultra high-performance
graph database that supports both RDF/SPARQL and Tinkerpop/Blueprints
APIs.  MapGraph™ <http://www.systap.com/mapgraph> is our disruptive new
technology to use GPUs to accelerate data-parallel graph analytics.

CONFIDENTIALITY NOTICE:  This email and its contents and attachments are
for the sole use of the intended recipient(s) and are confidential or
proprietary to SYSTAP. Any unauthorized review, use, disclosure,
dissemination or copying of this email or its contents or attachments is
prohibited. If you have received this communication in error, please notify
the sender by reply email and permanently delete all copies of the email
and its contents and attachments.