bonjour,
j'ai créé un service web qui permet d'accéder à une ontologie et l'interroger via SPARQL:

Code : Sélectionner tout - Visualiser dans une fenêtre à part
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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
 
package com.WS;
 
import com.hp.hpl.jena.vocabulary.RDF;
import com.hp.hpl.jena.sparql.util.IndentedWriter;
import com.hp.hpl.jena.query.*;
import com.hp.hpl.jena.rdf.model.InfModel;
import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.rdf.model.Resource;
import com.hp.hpl.jena.reasoner.Reasoner;
//import javax.jws.WebMethod;
//import javax.jws.WebParam;
import org.mindswap.pellet.jena.PelletReasonerFactory;
//import javax.jws.WebService;
import javax.jws.*;
 
/**
 *
 * @author naima
 */
@WebService()
public class OntolgyQuery {
public static String Onto_OWL_file = "http://localhost/informatique.owl";
public static final String NL = System.getProperty("line.separator") ;
    /**
     * Web service operation
     */
 
    @WebMethod(operationName = "GenerateTerms")
    public String[] GenerateTerms(@WebParam(name = "Keyword")
    String Keyword) {
        String [] NewTerms =new String[10];
 
              // create Pellet reasoner
        Reasoner reasoner = PelletReasonerFactory.theInstance().create();
 
        // create an empty model
        Model emptyModel = ModelFactory.createDefaultModel( );
 
        // create an inferencing model using Pellet reasoner
        InfModel m = ModelFactory.createInfModel( reasoner, emptyModel );
 
        // read the file
        m.read( Onto_OWL_file );
 
        // Model m = ModelFactory.createDefaultModel();
 
        // use the file manager to read an RDF document into the model
 
        System.out.println( "We have loaded a model with no. statements = " + m.size() );
    	String info ="http://www.owl-ontologies.com/Ontology1260701617.owl#";
    	String prolog1 = "PREFIX info: <"+info+">" ;
        String prolog2 = "PREFIX rdf: <"+RDF.getURI()+">" ;
        // Query string.
       String queryString = prolog1 + NL + prolog2 + NL +
        "SELECT ?proto  WHERE {?proto rdf:type info:"+ Keyword +" }" ;
 
        Query query = QueryFactory.create(queryString) ;
        // Print with line numbers
        query.serialize(new IndentedWriter(System.out,true)) ;
        System.out.println() ;
        // Create a single execution of this query, apply to a model
        // which is wrapped up as a Dataset
 
        QueryExecution qexec = QueryExecutionFactory.create(query, m) ;
 
        try {
            // Assumption: it's a SELECT query.
            ResultSet rs = qexec.execSelect() ;
            // The order of results is undefined.
            int i=0;
            for ( ; rs.hasNext() ; )
            {
                QuerySolution rb = rs.nextSolution() ;
                // Get title - variable names do not include the '?' (or '$')
               // RDFNode y = rb.get("proto");
                //System.out.print("uri : "+y+"---  ");
                Resource z = (Resource) rb.getResource("proto");
                System.out.println(z.getLocalName());
                if(i<10){
                NewTerms[i]=z.getLocalName();
                i++;
                }
            }
 
        }
 
        finally
        {
            // QueryExecution objects should be closed to free any system resources
            qexec.close() ;
        }
 
        return NewTerms;
    }
 
}
pendant l'execution il me return l'erreur suivante:

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Service invocation threw an exception with message : null; Refer to the server log for more details
 
Détails de l'exception : java.lang.reflect.InvocationTargetException
javax.servlet.ServletException: java.lang.reflect.InvocationTargetException at com.sun.enterprise.webservice.monitoring.WebServiceTesterServlet.doPost(WebServiceTesterServlet.java:345) at com.sun.enterprise.webservice.monitoring.WebServiceTesterServlet.invoke(WebServiceTesterServlet.java:121) at com.sun.enterprise.webservice.JAXWSServlet.doPost(JAXWSServlet.java:165) at javax.servlet.http.HttpServlet.service(HttpServlet.java:738) at javax.servlet.http.HttpServlet.service(HttpServlet.java:831) at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:290) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265) at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106) Caused by: java.lang.reflect.InvocationTargetException
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) 
at com.sun.enterprise.webservice.monitoring.WebServiceTesterServlet.doPost(WebServiceTesterServlet.java:316) ... 30 more Caused by: javax.xml.ws.soap.SOAPFaultException: com.sun.msv.datatype.xsd.datetime.BigTimeDurationValueType.(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigDecimal;)V at com.sun.xml.ws.fault.SOAP11Fault.getProtocolException(SOAP11Fault.java:188) at com.sun.xml.ws.fault.SOAPFaultBuilder.createException(SOAPFaultBuilder.java:116) at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:119) at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:89) at com.sun.xml.ws.client.sei.SEIStub.invoke(SEIStub.java:118) at $Proxy100.generateTerms(Unknown Source) ... 35 more Caused by: java.lang.NoSuchMethodError: com.sun.msv.datatype.xsd.datetime.BigTimeDurationValueType.(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigDecimal;)V at com.sun.msv.datatype.xsd.datetime.TimeDurationFactory.create(TimeDurationFactory.java:34) at org.mindswap.pellet.datatypes.XSDDuration.(XSDDuration.java:32) at org.mindswap.pellet.datatypes.DatatypeReasoner.(DatatypeReasoner.java:95) at org.mindswap.pellet.ABox.(ABox.java:206) at org.mindswap.pellet.KnowledgeBase.clear(KnowledgeBase.java:548) at org.mindswap.pellet.KnowledgeBase.(KnowledgeBase.java:428) at org.mindswap.pellet.jena.PelletInfGraph.(PelletInfGraph.java:96) at org.mindswap.pellet.jena.PelletReasoner.bind(PelletReasoner.java:95) at org.mindswap.pellet.jena.PelletReasoner.bind(PelletReasoner.java:53) at com.hp.hpl.jena.rdf.model.ModelFactory.createInfModel(ModelFactory.java:293) at com.WS.OntolgyQuery.GenerateTerms(OntolgyQuery.java:46) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.enterprise.webservice.InstanceResolverImpl$1.invoke(InstanceResolverImpl.java:112) at com.sun.xml.ws.server.InvokerTube$2.invoke(InvokerTube.java:146) at com.sun.xml.ws.server.sei.EndpointMethodHandler.invoke(EndpointMethodHandler.java:257) at com.sun.xml.ws.server.sei.SEIInvokerTube.processRequest(SEIInvokerTube.java:93) at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:595) at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:554) at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:539) at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:436) at com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl.process(AbstractTubeImpl.java:106) at com.sun.enterprise.webservice.MonitoringPipe.process(MonitoringPipe.java:147) at com.sun.xml.ws.api.pipe.helper.PipeAdapter.processRequest(PipeAdapter.java:115) at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:595) at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:554) at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:539) at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:436) at com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl.process(AbstractTubeImpl.java:106) at com.sun.enterprise.webservice.CommonServerSecurityPipe.processRequest(CommonServerSecurityPipe.java:218) at com.sun.enterprise.webservice.CommonServerSecurityPipe.process(CommonServerSecurityPipe.java:129) at com.sun.xml.ws.api.pipe.helper.PipeAdapter.processRequest(PipeAdapter.java:115) at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:595) at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:554) at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:539) at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:436) at com.sun.xml.ws.server.WSEndpointImpl$2.process(WSEndpointImpl.java:243) at com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:444) at com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:244) at com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:135) at com.sun.enterprise.webservice.JAXWSServlet.doPost(JAXWSServlet.java:176) ... 28 more
est ce quelqu'un peut m'aider s'il vous plait.

merci d'avance