From: Jerven B. <jer...@si...> - 2017-07-02 20:50:10
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The issue is that it is a SELECT query, which does not have an RDF output, which is why it can't give a turtle output. Only for CONSTRUCT and DESCRIBE queries can one normally get RDF output. Regards, Jerven On Saturday, July 1, 2017 5:01:08 AM CEST Bryan Thompson wrote: > Conneg is handled here: > https://github.com/blazegraph/database/blob/64bb8ca92eb063d45d68ec920a34b532 > 1b80e2fe/bigdata-core/bigdata-sails/src/java/com/bigdata/rdf/sail/webapp/Big > dataRDFContext.java at around line 2470. Not sure what is going on offhand. > Can you set a debugger on this and see what is happening? > > } else { > // Use whatever was specified by the client. > final List<String> acceptHeaders = > Collections.list(req.getHeaders("Accept")); acceptStr = > ConnegUtil.getMimeTypeForQueryParameterQueryRequest( > req.getParameter(BigdataRDFServlet.OUTPUT_FORMAT_QUERY_PARAMETER), > acceptHeaders.toArray(new String[acceptHeaders.size()])); > } > > // Do conneg. > final ConnegUtil util = new ConnegUtil(acceptStr); > > On Fri, Jun 30, 2017 at 7:52 PM, Jason Koh <jb...@en...> wrote: > > Thanks for the suggestion. I tried both with/without a space after the > > colon, but both don't work. > > (Space after the colon is a common practice: > > https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html) > > > > > > With regards, > > Jason Koh > > cseweb.ucsd.edu/~jbkoh > > > > On Fri, Jun 30, 2017 at 7:48 PM, Bryan Thompson <br...@bl...> > > > > wrote: > >> Just looking at the wiki page. Maybe it is the whitespace between the > >> ":" and text/turtle? The examples there do not have that whitespace. > >> Pretty sure it is not part of the http header convention. > >> > >> E.g., curl -X POST http://localhost:8080/bigdata/sparql > >> --data-urlencode 'query=SELECT * { ?s ?p ?o } LIMIT 1' -H > >> 'Accept:application/rdf+xml' > >> > >> From the same wiki page. > >> > >> Bryan > >> > >> On Fri, Jun 30, 2017 at 5:52 PM, Jason Koh <jb...@en...> wrote: > >> > I tried application/x-turtle also, which does work. > >> > > >> > > >> > With regards, > >> > Jason Koh > >> > cseweb.ucsd.edu/~jbkoh > >> > > >> > On Fri, Jun 30, 2017 at 5:26 PM, Jason Koh <jb...@en...> wrote: > >> >> Btw, Build Version=2.1.4 > >> >> > >> >> > >> >> With regards, > >> >> Jason Koh > >> >> cseweb.ucsd.edu/~jbkoh > >> >> > >> >> On Fri, Jun 30, 2017 at 5:09 PM, Jason Koh <jb...@en...> wrote: > >> >>> Hi there, > >> >>> > >> >>> Thanks for the great project. I am trying to use this for backend of > >> >>> my > >> >>> project. Though Blazegraph looks not that active for now, it is the > >> >>> fastest > >> >>> SPARQL endpoint in my experiences. > >> >>> > >> >>> I am trying to parse my SPARQL query result with Turtle, but > >> >>> Blazegraph > >> >>> does not return Turtle format but OWL/XML format, that my library > >> >>> cannot > >> >>> parse. I specifically did following command: > >> >>> curl -X POST http://localhost:9999/blazegraph/sparql --data-urlencode > >> >>> 'query=<queryStr>' -H 'Accept: text/turtle' > >> >>> I checked that this is correct: > >> >>> https://jira.blazegraph.com/browse/BLZG-1689 > >> >>> but it only returns in OWL format. > >> >>> > >> >>> Thanks in advance! > >> >>> > >> >>> > >> >>> With regards, > >> >>> Jason Koh > >> >>> cseweb.ucsd.edu/~jbkoh > >> > > >> > ----------------------------------------------------------------------- > >> > ------- Check out the vibrant tech community on one of the world's most > >> > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > >> > _______________________________________________ > >> > Bigdata-developers mailing list > >> > Big...@li... > >> > https://lists.sourceforge.net/lists/listinfo/bigdata-developers > > > > -------------------------------------------------------------------------- > > ---- Check out the vibrant tech community on one of the world's most > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > _______________________________________________ > > Bigdata-developers mailing list > > Big...@li... > > https://lists.sourceforge.net/lists/listinfo/bigdata-developers > > ---------------------------------------------------------------------------- > -- Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Bigdata-developers mailing list > Big...@li... > https://lists.sourceforge.net/lists/listinfo/bigdata-developers |