Ah sorry, right. I tried it with version 3.1.0. I don't know which changes in the code lead to the different behavior. Especially not that you get 0 triples in 3.1.1 which looks more like no triple has to be parsed at all
> Haaa, I got it ! > jena-3.1.0 brings the exception, jena-3.1.1 does not . > > cd ~/apps/apache-jena-3.1.0 ; JENA= ; for f in lib/*; do JENA=$JENA:$f; > done ; javac -cp $JENA ReadMgr.java ; java -cp $JENA ReadMgr > log4j:WARN No appenders could be found for logger (Jena). > log4j:WARN Please initialize the log4j system properly. > log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for > more info. > *org.apache.jena.riot.RiotException: [line: 1863, col: 13] Failed to find a > prefix name or keyword: –(8211;0x2013)* > > > 2017-01-20 9:18 GMT+01:00 Jean-Marc Vanel <[email protected]>: > >> >> 2017-01-19 22:26 GMT+01:00 Andy Seaborne <[email protected]>: >> >>> I get the parse error message with that code. >>> >> This is strange. I can't think of a reason for this difference in >> execution. My impression is that the exceptions worked some weeks or a few >> months ago. And what has changed since is the Ubuntu OS updates. >> >> I tried both these Java JDK: >> >> $ java -version >> openjdk version "1.8.0_111" >> OpenJDK Runtime Environment (build 1.8.0_111-8u111-b14-2ubuntu0.1 >> 6.10.2-b14) >> OpenJDK 64-Bit Server VM (build 25.111-b14, mixed mode) >> >> java -version >> java version "1.8.0_121" >> Java(TM) SE Runtime Environment (build 1.8.0_121-b13) >> Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode) >> >> My OS is >> uname -a >> Linux jmv-SMBIOSation 4.8.0-34-generic #36-Ubuntu SMP Wed Dec 21 17:24:18 >> UTC 2016 x86_64 x86_64 x86_64 GNU/Linux >> >> >> Instead of working in a Scala eclipse environment, I downloaded a fresh >> Jena 3.1.1, and tried again: SAME THING ! >> >> cd ~/apps/apache-jena-3.1.1 >> for f in lib/*; do JENA=$JENA:$f; done >> javac -cp $JENA ReadMgr.java >> java -cp $JENA ReadMgr >> log4j:WARN No appenders could be found for logger (Jena). >> log4j:WARN Please initialize the log4j system properly. >> log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for >> more info. >> *size 0* >> >> You can force the use of, say RDF/XML, by opening the connection directly >>> with HttpOp. You then have to tell the parse the syntax and base URI: >>> >> This I will do systematically, because as you explained , Turtle is >> fragile. But of course, I must understand why the exception does not occur, >> and the reading also does not occur. >> >> >> >>> try { >>> Graph g = GraphFactory.createDefaultGraph(); >>> String uri = "http://dbpedia.org/resource/Rome";; >>> try ( TypedInputStream in = HttpOp.execHttpGet(uri, >>> "application/rdf+xml") ) { >>> RDFDataMgr.read(g, in, uri, Lang.RDFXML); >>> } >>> System.out.println("size " + g.size()); >>> } catch (Throwable e) { >>> System.err.println(e); >>> } >>> >>> ==> >>> >>> size 8142 >>> >>> Andy >>> >>> >>> On 19/01/17 16:52, Jean-Marc Vanel wrote: >>> >>>> import org.apache.jena.graph.Graph; >>>> import org.apache.jena.riot.RDFDataMgr; >>>> >>>> public class ReadMgr { >>>> public static void main(String[] args) { >>>> try { >>>> Graph g = RDFDataMgr.loadGraph("http://d >>>> bpedia.org/resource/Rome >>>> "); >>>> System.out.println("size " + g.size()); >>>> } catch (Throwable e) { >>>> System.err.println(e); >>>> } >>>> } >>>> } >>>> >> >> -- >> Jean-Marc Vanel >> Profil: http://163.172.179.125:9111/display?displayuri=http%3A%2F%2F >> jmvanel.free.fr%2Fjmv.rdf%23me >> Déductions SARL - Consulting, services, training, >> Rule-based programming, Semantic Web >> +33 (0)6 89 16 29 52 <+33%206%2089%2016%2029%2052> >> Twitter: @jmvanel , @jmvanel_fr ; chat: irc://irc.freenode.net#eulergui >> > > -- Lorenz Bühmann AKSW group, University of Leipzig Group: http://aksw.org - semantic web research center
