Why are you using such an outdated version of ARQ? 2.8.7 is from December 2010 so it is 3 years out of date, please upgrade to the latest version which is 2.11.1 and let us know if you still have problems
Rob On 19/02/2014 11:46, "Paton, Diego" <[email protected]> wrote: > >re-sending just to receive all replies that are sent to the list ( I >wasn't subscribed to the list ) > > >On 19 Feb 2014, at 11:26, Diego Paton ><[email protected]<mailto:diego.paton.villahermosa@team >aol.com>> wrote: > >Hi, > > >In my department we have stored one of the lasts dumps of the Freebase >ontology using TDB and Fuseki. > >TDB: 2.11 >Fuseki: 1.0 > >We have a dataset defined ( /freebase/data ) and we execute SPARQL >queries using Fuseki server and It works fine. > > > * We execute a query, for example: > >prefix fb: <http://rdf.freebase.com/ns/> >select ?mid ?e ?nf ?desc >where { > ?mid fb:type.object.name ?e . > ?mid fb:common.topic.notable_for ?notab_for . > ?mid fb:common.topic.description ?desc . > ?notab_for fb:common.notable_for.display_name ?nf . > FILTER (langMatches(lang(?e), "en") && langMatches(lang(?nf), "en") >&& langMatches(lang(?desc), "en")) >} >We are able to output results as a TSV file that contains 6158452 lines >without problems. > >But when we try to execute the same query from a Java application using >ARQ ( 2.8.7 ), we have problems. > > > * This is the code that I execute : > > >String ontology_service >="http://freebase-m01.ihost.aol.com:3030/freebase/data/query";; >String query = >"prefix fb: <http://rdf.freebase.com/ns/>\n"+ >" select ?mid ?e ?nf ?desc\n"+ >" where {\n"+ >" ?mid fb:type.object.name ?e .\n"+ >" ?mid fb:common.topic.notable_for ?notab_for .\n"+ >" ?mid fb:common.topic.description ?desc .\n"+ >" ?notab_for fb:common.notable_for.display_name ?nf .\n"+ >" FILTER (langMatches(lang(?e), \"en\") && langMatches(lang(?nf), >\"en\") && langMatches(lang(?desc), \"en\"))\n"+ >" }\n"; > >QueryExecution queryExecution = >QueryExecutionFactory.sparqlService(ontology_service, query); > >ResultSet resultSet = queryExecution.execSelect(); > >ResultSetFormatter.outputAsTSV(System.out, resultSet); > >while(resultSet.hasNext()){ > >QuerySolution querySolution = resultSet.next(); > >querySolution.get("mid"); >querySolution.get("e"); >querySolution.get("nf"); >querySolution.get("desc"); > >} > > * After processing around 400k of results, we have this exception: > > com.ctc.wstx.exc.WstxUnexpectedCharException: Illegal >character ((CTRL-CHAR, code 2)) > at [row,col {unknown-source}]: [5859511,312] >at com.ctc.wstx.sr.StreamScanner.throwInvalidSpace(StreamScanner.java:675) >at >com.ctc.wstx.sr.BasicStreamReader.readTextSecondary(BasicStreamReader.java >:4668) >at >com.ctc.wstx.sr.BasicStreamReader.readCoalescedText(BasicStreamReader.java >:4126) >at >com.ctc.wstx.sr.BasicStreamReader.finishToken(BasicStreamReader.java:3701) >at >com.ctc.wstx.sr.BasicStreamReader.safeFinishToken(BasicStreamReader.java:3 >649) >at com.ctc.wstx.sr.BasicStreamReader.getText(BasicStreamReader.java:809) >at >com.ctc.wstx.sr.BasicStreamReader.getElementText(BasicStreamReader.java:67 >9) >at >com.hp.hpl.jena.sparql.resultset.XMLInputStAX$ResultSetStAX.getOneSolution >(XMLInputStAX.java:460) >at >com.hp.hpl.jena.sparql.resultset.XMLInputStAX$ResultSetStAX.hasNext(XMLInp >utStAX.java:216) >at >com.aol.search.swap.stuffer.complete_articles.query.JENAManager.main(JENAM >anager.java:42) >Exception in thread "main" >com.hp.hpl.jena.sparql.resultset.ResultSetException: XMLStreamException: >Illegal character ((CTRL-CHAR, code 2)) > at [row,col {unknown-source}]: [5859511,312] >at >com.hp.hpl.jena.sparql.resultset.XMLInputStAX$ResultSetStAX.staxError(XMLI >nputStAX.java:510) >at >com.hp.hpl.jena.sparql.resultset.XMLInputStAX$ResultSetStAX.hasNext(XMLInp >utStAX.java:220) >at >com.aol.search.swap.stuffer.complete_articles.query.JENAManager.main(JENAM >anager.java:42) >Caused by: com.ctc.wstx.exc.WstxUnexpectedCharException: Illegal >character ((CTRL-CHAR, code 2)) > at [row,col {unknown-source}]: [5859511,312] >at com.ctc.wstx.sr.StreamScanner.throwInvalidSpace(StreamScanner.java:675) >at >com.ctc.wstx.sr.BasicStreamReader.readTextSecondary(BasicStreamReader.java >:4668) >at >com.ctc.wstx.sr.BasicStreamReader.readCoalescedText(BasicStreamReader.java >:4126) >at >com.ctc.wstx.sr.BasicStreamReader.finishToken(BasicStreamReader.java:3701) >at >com.ctc.wstx.sr.BasicStreamReader.safeFinishToken(BasicStreamReader.java:3 >649) >at com.ctc.wstx.sr.BasicStreamReader.getText(BasicStreamReader.java:809) >at >com.ctc.wstx.sr.BasicStreamReader.getElementText(BasicStreamReader.java:67 >9) >at >com.hp.hpl.jena.sparql.resultset.XMLInputStAX$ResultSetStAX.getOneSolution >(XMLInputStAX.java:460) >at >com.hp.hpl.jena.sparql.resultset.XMLInputStAX$ResultSetStAX.hasNext(XMLInp >utStAX.java:216) >... 1 more > > > * I have tried with showing the results using a ResultSetFormatter >but I obtain the same exception: > > ResultSetFormatter.outputAsTSV(System.out, resultSet); > > >I would say that the ontology is well formed with the correct encoding in >TBD, because through Fuseki we are able to obtain correct results. > >I have read documentation related to this, but I can't find a way to set >the correct encoding if it is required. Or It is possible that I am not >using the correct way to execute it. > >I would be grateful if you could help me. > >Thanks in advance. > > >Diego Paton. >
