Hi Folks, With the Any23 webservice [0] when I try to extract triples from the following CSV [1], I get the following stack trace
<?xml version="1.0" encoding="UTF-8" ?> <report> <message>Internal error.</message> <error> <![CDATA[ java.lang.RuntimeException: Error while receiving triple http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvrow/0 http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvKeywordVersion:8.0 "Category"^^<http://www.w3.org/2001/XMLSchema#string> at org.apache.any23.extractor.ExtractionResultImpl.writeTriple(ExtractionResultImpl.java:163) at org.apache.any23.extractor.ExtractionResultImpl.writeTriple(ExtractionResultImpl.java:171) at org.apache.any23.extractor.csv.CSVExtractor.produceRowStatements(CSVExtractor.java:238) at org.apache.any23.extractor.csv.CSVExtractor.run(CSVExtractor.java:96) at org.apache.any23.extractor.csv.CSVExtractor.run(CSVExtractor.java:51) at org.apache.any23.extractor.SingleDocumentExtraction.runExtractor(SingleDocumentExtraction.java:462) at org.apache.any23.extractor.SingleDocumentExtraction.run(SingleDocumentExtraction.java:254) at org.apache.any23.Any23.extract(Any23.java:298) at org.apache.any23.Any23.extract(Any23.java:450) at org.apache.any23.servlet.WebResponder.runExtraction(WebResponder.java:114) at org.apache.any23.servlet.Servlet.doGet(Servlet.java:79) at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:301) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:136) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:74) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:526) at org.apache.coyote.ajp.AbstractAjpProcessor.process(AbstractAjpProcessor.java:794) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:652) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1575) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1533) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.any23.writer.TripleHandlerException: Error while receiving triple http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvrow/0 http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvKeywordVersion:8.0 "Category"^^<http://www.w3.org/2001/XMLSchema#string> at org.apache.any23.filter.ExtractionContextBlocker.receiveTriple(ExtractionContextBlocker.java:106) at org.apache.any23.filter.IgnoreAccidentalRDFa.receiveTriple(IgnoreAccidentalRDFa.java:82) at org.apache.any23.writer.CompositeTripleHandler.receiveTriple(CompositeTripleHandler.java:89) at org.apache.any23.extractor.ExtractionResultImpl.writeTriple(ExtractionResultImpl.java:161) ... 32 more Caused by: org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipeException: Error while opening the triple handler at org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipe.sendTriple(ExtractionContextBlocker.java:248) at org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipe.receiveTriple(ExtractionContextBlocker.java:197) at org.apache.any23.filter.ExtractionContextBlocker.receiveTriple(ExtractionContextBlocker.java:104) ... 35 more Caused by: org.apache.any23.writer.TripleHandlerException: Error while receiving triple http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvrow/0 http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvKeywordVersion:8.0 "Category"^^<http://www.w3.org/2001/XMLSchema#string> at org.apache.any23.filter.ExtractionContextBlocker.receiveTriple(ExtractionContextBlocker.java:106) at org.apache.any23.filter.IgnoreTitlesOfEmptyDocuments.receiveTriple(IgnoreTitlesOfEmptyDocuments.java:62) at org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipe.sendTriple(ExtractionContextBlocker.java:246) ... 37 more Caused by: org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipeException: Error while opening the triple handler at org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipe.sendTriple(ExtractionContextBlocker.java:248) at org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipe.receiveTriple(ExtractionContextBlocker.java:197) at org.apache.any23.filter.ExtractionContextBlocker.receiveTriple(ExtractionContextBlocker.java:104) ... 39 more Caused by: org.apache.any23.writer.TripleHandlerException: Error while receiving triple http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvrow/0 http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvKeywordVersion:8.0 "Category"^^<http://www.w3.org/2001/XMLSchema#string> at org.apache.any23.filter.ExtractionContextBlocker.receiveTriple(ExtractionContextBlocker.java:106) at org.apache.any23.filter.IgnoreAccidentalRDFa.receiveTriple(IgnoreAccidentalRDFa.java:82) at org.apache.any23.writer.CompositeTripleHandler.receiveTriple(CompositeTripleHandler.java:89) at org.apache.any23.writer.ReportingTripleHandler.receiveTriple(ReportingTripleHandler.java:96) at org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipe.sendTriple(ExtractionContextBlocker.java:246) ... 41 more Caused by: org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipeException: Error while opening the triple handler at org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipe.sendTriple(ExtractionContextBlocker.java:248) at org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipe.receiveTriple(ExtractionContextBlocker.java:197) at org.apache.any23.filter.ExtractionContextBlocker.receiveTriple(ExtractionContextBlocker.java:104) ... 45 more Caused by: org.apache.any23.writer.TripleHandlerException: Error while receiving triple: http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvrow/0 http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvKeywordVersion:8.0 "Category"^^<http://www.w3.org/2001/XMLSchema#string> http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csv at org.apache.any23.writer.RDFWriterTripleHandler.receiveTriple(RDFWriterTripleHandler.java:96) at org.apache.any23.filter.ExtractionContextBlocker$ValvedTriplePipe.sendTriple(ExtractionContextBlocker.java:246) ... 47 more Caused by: org.openrdf.rio.RDFHandlerException: Unable to create XML namespace-qualified name for predicate: http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csvKeywordVersion:8.0 at org.openrdf.rio.rdfxml.RDFXMLWriter.handleStatement(RDFXMLWriter.java:237) at org.apache.any23.writer.RDFWriterTripleHandler.receiveTriple(RDFWriterTripleHandler.java:93) ... 48 more ]]> </error> <issueReport> The Any23 service is effectively running of of trunk. Therefore I am going to head over to the openrdf.rio lists and check this out out. I just wanted to post it here first though. Thanks Lewis [0] http://any23-vm.apache.org [1] http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csv -- *Lewis*
