Exception in thread "main" org.semanticweb.owlapi.model.UnloadableImportException: Could not load imported ontology: Cause: OWLOntologyCreationIOException: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.makeLoadImportRequest(OWLOntologyManagerImpl.java:1682) at org.semanticweb.owlapi.rdf.rdfxml.parser.TripleHandlers$TPImportsHandler.handleTriple(TripleHandlers.java:1440) at org.semanticweb.owlapi.rdf.rdfxml.parser.TripleHandlers$HandlerAccessor.handleStreaming(TripleHandlers.java:262) at org.semanticweb.owlapi.rdf.rdfxml.parser.OWLRDFConsumer.statementWithResourceValue(OWLRDFConsumer.java:1459) at org.semanticweb.owlapi.rdf.turtle.parser.OWLRDFConsumerAdapter.handleTriple(OWLRDFConsumerAdapter.java:53) at org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser.parseObject(TurtleParser.java:581) at org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser.parseObjectList(TurtleParser.java:522) at org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser.parsePredicateObjectList(TurtleParser.java:459) at org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser.parseTriples(TurtleParser.java:331) at org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser.parseStatement(TurtleParser.java:320) at org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser.parseDocument(TurtleParser.java:253) at org.semanticweb.owlapi.rdf.turtle.parser.TurtleOntologyParser.parse(TurtleOntologyParser.java:54) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyFactoryImpl.loadOWLOntology(OWLOntologyFactoryImpl.java:188) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.load(OWLOntologyManagerImpl.java:1072) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntology(OWLOntologyManagerImpl.java:1033) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntologyFromOntologyDocument(OWLOntologyManagerImpl.java:973) at no.s11.owlapi.ProfileChecker.loadOntology(ProfileChecker.java:152) at no.s11.owlapi.ProfileChecker.checkOntology(ProfileChecker.java:81) at no.s11.owlapi.ProfileChecker.check(ProfileChecker.java:76) at no.s11.owlapi.ProfileChecker.main(ProfileChecker.java:177) Caused by: org.semanticweb.owlapi.io.OWLOntologyCreationIOException: OWLOntologyCreationIOException: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed at uk.ac.manchester.cs.owl.owlapi.OWLOntologyFactoryImpl.loadOWLOntology(OWLOntologyFactoryImpl.java:209) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.load(OWLOntologyManagerImpl.java:1072) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntology(OWLOntologyManagerImpl.java:1033) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadOntology(OWLOntologyManagerImpl.java:930) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.loadImports(OWLOntologyManagerImpl.java:1635) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.makeLoadImportRequest(OWLOntologyManagerImpl.java:1675) ... 19 more Caused by: org.semanticweb.owlapi.io.OWLOntologyInputSourceException: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed at org.semanticweb.owlapi.io.DocumentSources.getInputStream(DocumentSources.java:158) at org.semanticweb.owlapi.io.DocumentSources.wrapInput(DocumentSources.java:115) at org.semanticweb.owlapi.io.DocumentSources.wrapInputAsReader(DocumentSources.java:79) at org.semanticweb.owlapi.io.DocumentSources.wrapInputAsReader(DocumentSources.java:96) at org.semanticweb.owlapi.io.AbstractOWLParser.getInputSource(AbstractOWLParser.java:38) at org.semanticweb.owlapi.rdf.rdfxml.parser.RDFXMLParser.parse(RDFXMLParser.java:59) at uk.ac.manchester.cs.owl.owlapi.OWLOntologyFactoryImpl.loadOWLOntology(OWLOntologyFactoryImpl.java:188) ... 24 more Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1944) at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1939) at java.security.AccessController.doPrivileged(Native Method) at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1938) at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1508) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:263) at org.semanticweb.owlapi.io.DocumentSources.getInputStreamFromContentEncoding(DocumentSources.java:263) at org.semanticweb.owlapi.io.DocumentSources.connectWithFiveRetries(DocumentSources.java:227) at org.semanticweb.owlapi.io.DocumentSources.getInputStream(DocumentSources.java:150) ... 30 more Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1946) at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:316) at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:310) at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1639) at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:223) at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1037) at sun.security.ssl.Handshaker.process_record(Handshaker.java:965) at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1064) at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1367) at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1395) at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1379) at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185) at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1564) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492) at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:3051) at java.net.URLConnection.getContentEncoding(URLConnection.java:523) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getContentEncoding(HttpsURLConnectionImpl.java:419) at org.semanticweb.owlapi.io.DocumentSources.getInputStream(DocumentSources.java:149) ... 30 more Caused by: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed at sun.security.validator.PKIXValidator.doValidate(PKIXValidator.java:362) at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:270) at sun.security.validator.Validator.validate(Validator.java:262) at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324) at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:229) at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124) at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1621) ... 45 more Caused by: java.security.cert.CertPathValidatorException: validity check failed at sun.security.provider.certpath.PKIXMasterCertPathValidator.validate(PKIXMasterCertPathValidator.java:135) at sun.security.provider.certpath.PKIXCertPathValidator.validate(PKIXCertPathValidator.java:233) at sun.security.provider.certpath.PKIXCertPathValidator.validate(PKIXCertPathValidator.java:141) at sun.security.provider.certpath.PKIXCertPathValidator.engineValidate(PKIXCertPathValidator.java:80) at java.security.cert.CertPathValidator.validate(CertPathValidator.java:292) at sun.security.validator.PKIXValidator.doValidate(PKIXValidator.java:357) ... 51 more Caused by: java.security.cert.CertificateExpiredException: NotAfter: Sun Jan 17 14:17:47 CET 2021 at sun.security.x509.CertificateValidity.valid(CertificateValidity.java:274) at sun.security.x509.X509CertImpl.checkValidity(X509CertImpl.java:629) at sun.security.provider.certpath.BasicChecker.verifyValidity(BasicChecker.java:190) at sun.security.provider.certpath.BasicChecker.check(BasicChecker.java:144) at sun.security.provider.certpath.PKIXMasterCertPathValidator.validate(PKIXMasterCertPathValidator.java:125) ... 56 more