I have tried it with the sample owl file. That didn't work, either. On Fri, 22 Sep 2006 17:52:37 +0300, "Sami Siren" <[EMAIL PROTECTED]> said: > try running it first with the submitted .owl > (src/plugin/ontology/sample/time.owl) > and verify that it works for you, after that proceed to more complex > ontologies (with what > I have no experience with) > > -- > Sami Siren > > Brian Ulicny wrote: > > Florian, > > > > Thanks for replying: my nutch-site.xml under webapps was wrong. > > Correcting it gets me a little further. However, whether I point to an > > OWL file locally (with file:) or remotely (with http://), I get the > > following error (under Root Cause): > > > > with > > > > <name>plugin.includes</name> > > > > <value>nutch-extensionpoints|protocol-file|protocol-http|ontology|languageidentifier|analysis-(fr|en|de)|urlfilter-regex|parse-(text|pdf|mspowerpoint|msword|msexcel|rtf|rss|html|zip)|index-basic|query-(basic|site|url)|lib-jakarta-poi|lib-lucene-analyzers|urlfilter-regex|index-basic|query-(basic|site|url)|summary-basic|iblog|scoring-opic</value> > > > > > > java.lang.NoSuchFieldError: actualValueType > > at > > com.hp.hpl.jena.datatypes.xsd.XSDDatatype.convertValidatedDataValue(XSDDatatype.java:371) > > at com.hp.hpl.jena.datatypes.xsd.XSDDatatype.parse(XSDDatatype.java:250) > > at > > com.hp.hpl.jena.graph.impl.LiteralLabel.setValue(LiteralLabel.java:166) > > at com.hp.hpl.jena.graph.impl.LiteralLabel.<init>(LiteralLabel.java:82) > > at com.hp.hpl.jena.graph.Node.createLiteral(Node.java:151) > > at com.hp.hpl.jena.rdf.arp.JenaReader.convert(JenaReader.java:147) > > at com.hp.hpl.jena.rdf.arp.JenaReader.convert(JenaReader.java:169) > > at > > com.hp.hpl.jena.rdf.arp.JenaReader$JRStatementHandler.statement(JenaReader.java:57) > > at com.hp.hpl.jena.rdf.arp.ARPResource.tripleLit(ARPResource.java:190) > > at com.hp.hpl.jena.rdf.arp.ARPResource.triple(ARPResource.java:172) > > at > > com.hp.hpl.jena.rdf.arp.ARPResource.setPredObject(ARPResource.java:146) > > at > > com.hp.hpl.jena.rdf.arp.ARPResource.setPredicateObject(ARPResource.java:127) > > at > > com.hp.hpl.jena.rdf.arp.ParserSupport.createTriple(ParserSupport.java:315) > > at > > com.hp.hpl.jena.rdf.arp.RDFParser.propertyEltIdAndValue(RDFParser.java:692) > > at com.hp.hpl.jena.rdf.arp.RDFParser.propertyElt(RDFParser.java:647) > > at com.hp.hpl.jena.rdf.arp.RDFParser.typedNode(RDFParser.java:984) > > at com.hp.hpl.jena.rdf.arp.RDFParser.description(RDFParser.java:429) > > at com.hp.hpl.jena.rdf.arp.RDFParser.obj(RDFParser.java:346) > > at com.hp.hpl.jena.rdf.arp.RDFParser.rdf(RDFParser.java:326) > > at com.hp.hpl.jena.rdf.arp.RDFParser.rdfFileSub(RDFParser.java:107) > > at com.hp.hpl.jena.rdf.arp.RDFParser.rdfFile(RDFParser.java:99) > > at com.hp.hpl.jena.rdf.arp.ARPFilter.parse(ARPFilter.java:314) > > at com.hp.hpl.jena.rdf.arp.JenaReader.read(JenaReader.java:221) > > at com.hp.hpl.jena.rdf.arp.JenaReader.read(JenaReader.java:209) > > at com.hp.hpl.jena.rdf.arp.JenaReader.read(JenaReader.java:261) > > at com.hp.hpl.jena.rdf.model.impl.ModelCom.read(ModelCom.java:206) > > at > > com.hp.hpl.jena.ontology.OntDocumentManager.read(OntDocumentManager.java:986) > > at > > com.hp.hpl.jena.ontology.OntDocumentManager.findMetadata(OntDocumentManager.java:807) > > at > > com.hp.hpl.jena.ontology.OntDocumentManager.initialiseMetadata(OntDocumentManager.java:781) > > at > > com.hp.hpl.jena.ontology.OntDocumentManager.<init>(OntDocumentManager.java:171) > > at > > com.hp.hpl.jena.ontology.OntDocumentManager.<init>(OntDocumentManager.java:155) > > at > > com.hp.hpl.jena.ontology.OntDocumentManager.<clinit>(OntDocumentManager.java:108) > > at > > com.hp.hpl.jena.ontology.OntModelSpec.getDocumentManager(OntModelSpec.java:247) > > at > > com.hp.hpl.jena.ontology.impl.OntModelImpl.getDocumentManager(OntModelImpl.java:174) > > at > > com.hp.hpl.jena.ontology.impl.OntModelImpl.<init>(OntModelImpl.java:145) > > at > > com.hp.hpl.jena.ontology.impl.OntModelImpl.<init>(OntModelImpl.java:116) > > at > > com.hp.hpl.jena.rdf.model.ModelFactory.createOntologyModel(ModelFactory.java:375) > > at > > org.apache.nutch.ontology.jena.OntologyImpl.<init>(OntologyImpl.java:81) > > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > > at > > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) > > at > > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) > > at java.lang.reflect.Constructor.newInstance(Constructor.java:494) > > at java.lang.Class.newInstance0(Class.java:350) > > at java.lang.Class.newInstance(Class.java:303) > > at > > org.apache.nutch.plugin.Extension.getExtensionInstance(Extension.java:151) > > at > > org.apache.nutch.ontology.OntologyFactory.getOntology(OntologyFactory.java:64) > > at org.apache.jsp.search_jsp._jspService(search_jsp.java:118) > > at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:92) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:809) > > at > > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:162) > > at > > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240) > > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:809) > > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200) > > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146) > > at > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209) > > at > > org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) > > at > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144) > > at > > org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) > > at > > org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358) > > at > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133) > > at > > org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) > > at > > org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118) > > at > > org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594) > > at > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116) > > at > > org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) > > at > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127) > > at > > org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) > > at > > org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152) > > at > > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799) > > at > > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705) > > at > > org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577) > > at > > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683) > > at java.lang.Thread.run(Thread.java:595) > > > > Any thoughts from anyone out there? > > > > Brian > > > > On Fri, 22 Sep 2006 09:43:51 +0200, "Florian Fricker" > > <[EMAIL PROTECTED]> said: > > > >> Hey Brian, > >> > >> Your nutch-site.xml has two parts for ontology. > >> > >> First Part: > >> > >> <property> > >> <name>extension.ontology.extension-name</name> > >> <value>org.apache.nutch.ontology.jena.OntologyImpl</value> > >> <description>Loads the Ontology plugin</description> > >> </property> > >> > >> Second Part: > >> > >> <property> > >> <name>extension.ontology.urls</name> > >> <value>file:/path/to/owl/file or http://path/to/owl/file</value> > >> <description>Shows the owl file</description> > >> </property> > >> > >> Then add the onotology plugin to the nutch plugin section. It should > >> look like this: > >> > >> > >> <property> > >> <name>plugin.includes</name> > >> > >> <value>nutch-extensionpoints|protocol-file|protocol-http|ontology|languageidentifier|analysis-(fr|en|de)| > >> > >> urlfilter-regex|parse-(text|pdf|mspowerpoint|msword|msexcel|rtf|rss|html|zip)|index-basic| > >> > >> query-(basic|site|url)|lib-jakarta-poi|lib-lucene-analyzers|scoring-opic</value> > >> </property> > >> > >> That's it... > >> > >> Regards > >> > >> > >> Brian Ulicny wrote: > >> > >>> I'm trying to get the Ontology plugin to work in an 0.8 environment. > >>> > >>> I set extension.ontology.extension-name to > >>> org.apache.nutch.ontology.jena.OntologyImpl > >>> This seemed to be the correct thing to do according to nutch-default.xml > >>> which says: > >>> > >>> <description>Use the specified online ontology extension. If empty, > >>> the first available extension will be used. The "name" here refers to > >>> an 'id' > >>> attribute of the 'implementation' element in the plugin descriptor XML > >>> file.</description> > >>> > >>> The plugin.xml for ontology is: > >>> > >>> <plugin > >>> id="ontology" > >>> name="Ontology Plug-in" > >>> version="1.0.0" > >>> provider-name="nutch.org"> > >>> > >>> > >>> <runtime> > >>> <library name="ontology.jar"> > >>> <export name="*"/> > >>> </library> > >>> > >>> <library name="commons-logging-1.0.3.jar"/> > >>> <library name="icu4j_2_6_1.jar"/> > >>> <library name="jena-2.1.jar"/> > >>> > >>> </runtime> > >>> > >>> <requires> > >>> <import plugin="nutch-extensionpoints"/> > >>> </requires> > >>> > >>> <!-- attribute "point" is the plugin interface class --> > >>> <!-- seems kinda redundant to have to define the point here too --> > >>> <extension id="org.apache.nutch.ontology.jena" > >>> name="Ontology Model Loader" > >>> point="org.apache.nutch.ontology.Ontology"> > >>> > >>> <!-- define all the classes that implement the point defined above > >>> --> > >>> <implementation id="org.apache.nutch.ontology.jena.OntologyImpl" > >>> class="org.apache.nutch.ontology.jena.OntologyImpl"> > >>> <parameter name="pathSuffix" value=""/> > >>> </implementation> > >>> > >>> </extension> > >>> > >>> </plugin> > >>> > >>> > >>> I then set the extension.ontology.urls property to a valid (external) > >>> OWL url. > >>> > >>> However, I get this warning, and no ontologies are loaded: > >>> > >>> 6 WARN OntologyFactory - Ontology extension not found: > >>> 'org.apache.nutch.ontology.jena.OntologyImpl', trying the default > >>> > >>> What am I doing wrong? > >>> > >>> B Ulicny > >>> > >>> > >> -- > >> Florian Fricker [EMAIL PROTECTED] > >> Wyona Inc. - Open Source Content Management - Apache Lenya > >> http://www.wyona.com http://lenya.apache.org > >> > >> > -- Brian Ulicny [EMAIL PROTECTED]
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