OK, so I will catch the train at station jena-3.1.2 :) .


2017-01-20 12:25 GMT+01:00 Andy Seaborne <[email protected]>:

>
>
> On 20/01/17 08:33, Jean-Marc Vanel wrote:
>
>> Haaa, I got it !
>> jena-3.1.0 brings the exception, jena-3.1.1 does not .
>>
>
> I used the head of development.
>
> So whatever it is, it is working now.
>
>     Andy
>
>
>> 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
>>>
>>>
>>
>>
>>


-- 
Jean-Marc Vanel
Profil:
http://163.172.179.125:9111/display?displayuri=http%3A%2F%2Fjmvanel.free.fr%2Fjmv.rdf%23me
Déductions SARL - Consulting, services, training,
Rule-based programming, Semantic Web
+33 (0)6 89 16 29 52
Twitter: @jmvanel , @jmvanel_fr ; chat: irc://irc.freenode.net#eulergui

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