Does anyone know how to fix this?
It looks like all of the errors are caused by java.net.UnknownHostException.
My linux admin has no clue how to fix this error.
12:05:35 WARN OntDocumentManager :: An error occurred while attempting
to read from http://www.wiwiss.fu-berlin.de/suhl/bizer/D2RQ/0.1. Msg was
'java.net.UnknownHostException: www.wiwiss.fu-berlin.de'.
com.hp.hpl.jena.shared.JenaException: java.net.UnknownHostException:
www.wiwiss.fu-berlin.de
at com.hp.hpl.jena.rdf.arp.JenaReader.read(JenaReader.java:106)
at com.hp.hpl.jena.rdf.model.impl.ModelCom.read(ModelCom.java:223)
at
com.hp.hpl.jena.util.FileManager.readModelWorker(FileManager.java:380)
at com.hp.hpl.jena.util.FileManager.readModel(FileManager.java:348)
at com.hp.hpl.jena.util.FileManager.readModel(FileManager.java:332)
at
com.hp.hpl.jena.ontology.OntDocumentManager.read(OntDocumentManager.java:1064)
at
com.hp.hpl.jena.ontology.OntDocumentManager$1.readModel(OntDocumentManager.java:1034)
at
com.hp.hpl.jena.rdf.model.impl.ModelMakerImpl.getModel(ModelMakerImpl.java:104)
at
com.hp.hpl.jena.ontology.OntDocumentManager.fetchLoadedImportModel(OntDocumentManager.java:1030)
at
com.hp.hpl.jena.ontology.OntDocumentManager.fetchPossiblyCachedImportModel(OntDocumentManager.java:1003)
at
com.hp.hpl.jena.ontology.OntDocumentManager.loadImport(OntDocumentManager.java:976)
at
com.hp.hpl.jena.ontology.OntDocumentManager.loadImports(OntDocumentManager.java:770)
at
com.hp.hpl.jena.ontology.OntDocumentManager.loadImports(OntDocumentManager.java:708)
at
com.hp.hpl.jena.ontology.impl.OntModelImpl.loadImports(OntModelImpl.java:1973)
at
com.hp.hpl.jena.ontology.impl.OntModelImpl.<init>(OntModelImpl.java:147)
at
com.hp.hpl.jena.ontology.impl.OntModelImpl.<init>(OntModelImpl.java:119)
at
com.hp.hpl.jena.rdf.model.ModelFactory.createOntologyModel(ModelFactory.java:359)
at
de.fuberlin.wiwiss.d2rq.parser.MapParser.<init>(MapParser.java:85)
at
de.fuberlin.wiwiss.d2rq.SystemLoader.getMapping(SystemLoader.java:300)
at d2rq.dump_rdf.run(dump_rdf.java:97)
at
de.fuberlin.wiwiss.d2rq.CommandLineTool.process(CommandLineTool.java:158)
at d2rq.dump_rdf.main(dump_rdf.java:40)
Caused by: java.net.UnknownHostException: www.wiwiss.fu-berlin.de
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at
sun.net.www.protocol.http.HttpURLConnection$6.run(HttpURLConnection.java:1675)
at
sun.net.www.protocol.http.HttpURLConnection$6.run(HttpURLConnection.java:1673)
at java.security.AccessController.doPrivileged(Native Method)
at
sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1671)
at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1244)
at com.hp.hpl.jena.rdf.arp.JenaReader.read(JenaReader.java:99)
... 21 more
Caused by: java.net.UnknownHostException: www.wiwiss.fu-berlin.de
at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
at sun.net.www.http.HttpClient.New(HttpClient.java:308)
at sun.net.www.http.HttpClient.New(HttpClient.java:326)
at
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:996)
at
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:932)
at
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:850)
at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1300)
at
sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:2678)
at java.net.URLConnection.getContentEncoding(URLConnection.java:533)
at com.hp.hpl.jena.rdf.arp.JenaReader.read(JenaReader.java:97)
... 21 more
please, shed some light if you have any knowledge of why this is
happening,.....
Thanks a lot.
Inna
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