"ValidateConnection" Service fails with error 500 in ThingWorx Navigate configured for PingFederate SSO

• ValidateConnection Service fails with error 500 in ThingWorx Navigate configured for PingFederate SSO
• Not able to fetch Windchill data in POSTMAN with Oauth authorization configured for Windchill.
• No logging in Windchill HTTPServer access log
• Request is logged in Windchill HTTPServer ssl_request.log
• Error in IntegrationRuntime.log

ERROR o.a.c.p.DefaultErrorHandler - Failed delivery for (MessageId: ID-yxz-1564751028837-0-5 on ExchangeId: ID-xyz-1564751028837-0-3). Exhausted after delivery attempt: 1 caught: org.apache.camel.http.common.HttpOperationFailedException: HTTP operation failed invoking http://<windchill>/Windchill/oauth/servlet/rest/objects/lifecyclestates with statusCode: 500

• Error in MethodServer log

INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - SEVERE: Servlet.service() for servlet [OauthAuthBridgeServlet] in context with path [/Windchill] threw exception
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - org.springframework.web.client.ResourceAccessException: I/O error on POST request for "https://<pingfederate>:9031/as/token.oauth2": PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; nested exception is javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:785)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:602)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.oauth2.provider.token.RemoteTokenServices.postForMap(RemoteTokenServices.java:172)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.oauth2.provider.token.RemoteTokenServices.loadAuthentication(RemoteTokenServices.java:122)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationManager.authenticate(OAuth2AuthenticationManager.java:87)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at com.ptc.eauth.identity.oauth2.rs.ResourceAwareOAuth2AuthenticationManager.authenticate(ResourceAwareOAuth2AuthenticationManager.java:44)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:156)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:112)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:82)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:211)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:183)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:354)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:267)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:367)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:526)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:882)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1657)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/java.lang.Thread.run(Thread.java:829)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - Caused by: javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:131)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:349)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:292)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:287)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:654)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.onCertificate(CertificateMessage.java:473)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.consume(CertificateMessage.java:369)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:392)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:443)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:421)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:182)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:171)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1418)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1324)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:440)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:411)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:567)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:197)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:168)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.http.client.SimpleBufferingClientHttpRequest.executeInternal(SimpleBufferingClientHttpRequest.java:76)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:66)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:776)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	... 33 more
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:439)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:306)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.validator.Validator.validate(Validator.java:264)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:313)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:222)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:129)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:638)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	... 51 more
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/java.security.cert.CertPathBuilder.build(CertPathBuilder.java:297)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	at java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:434)
INFO  [ajp-nio-127.0.0.1-8010-exec-6] wt.system.err  - 	... 57 more