HTTP Status 500 - I/O error on POST request for "https://api.twitter.com/oauth/request_token": sun.security.validator.ValidatorException: 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: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

type Exception report

message I/O error on POST request for "https://api.twitter.com/oauth/request_token": sun.security.validator.ValidatorException: 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: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.springframework.web.client.ResourceAccessException: I/O error on POST request for "https://api.twitter.com/oauth/request_token": sun.security.validator.ValidatorException: 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: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:633)
	org.springframework.web.client.RestTemplate.execute(RestTemplate.java:595)
	org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:516)
	org.springframework.social.oauth1.OAuth1Template.exchangeForToken(OAuth1Template.java:192)
	org.springframework.social.oauth1.OAuth1Template.fetchRequestToken(OAuth1Template.java:117)
	feedback.social.RedirectableOAuth1AuthenticationService.getAuthToken(RedirectableOAuth1AuthenticationService.java:66)
	feedback.myservice.security.FeedbackAuthenticationFilter.attemptAuthService(FeedbackAuthenticationFilter.java:196)
	feedback.myservice.security.FeedbackAuthenticationFilter.attemptAuthentication(FeedbackAuthenticationFilter.java:105)
	org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:217)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:205)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	feedback.web.security.ApiKeyAuthenticationProcessingFilter.doFilter(ApiKeyAuthenticationProcessingFilter.java:94)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
	org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	feedback.myservice.security.SaveLoginRedirectServletFilter.doFilter(SaveLoginRedirectServletFilter.java:47)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	feedback.peoplestats.CurrentIPServletFilter.doFilterInternal(CurrentIPServletFilter.java:34)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:164)
	org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:80)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)

root cause

javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
	sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1937)
	sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302)
	sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296)
	sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1478)
	sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:212)
	sun.security.ssl.Handshaker.processLoop(Handshaker.java:969)
	sun.security.ssl.Handshaker.process_record(Handshaker.java:904)
	sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1050)
	sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1363)
	sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1391)
	sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1375)
	org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:275)
	org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:254)
	org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:117)
	org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:314)
	org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363)
	org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:219)
	org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)
	org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:86)
	org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
	org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:186)
	org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
	org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57)
	org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:91)
	org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48)
	org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53)
	org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:619)
	org.springframework.web.client.RestTemplate.execute(RestTemplate.java:595)
	org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:516)
	org.springframework.social.oauth1.OAuth1Template.exchangeForToken(OAuth1Template.java:192)
	org.springframework.social.oauth1.OAuth1Template.fetchRequestToken(OAuth1Template.java:117)
	feedback.social.RedirectableOAuth1AuthenticationService.getAuthToken(RedirectableOAuth1AuthenticationService.java:66)
	feedback.myservice.security.FeedbackAuthenticationFilter.attemptAuthService(FeedbackAuthenticationFilter.java:196)
	feedback.myservice.security.FeedbackAuthenticationFilter.attemptAuthentication(FeedbackAuthenticationFilter.java:105)
	org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:217)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:205)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	feedback.web.security.ApiKeyAuthenticationProcessingFilter.doFilter(ApiKeyAuthenticationProcessingFilter.java:94)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
	org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	feedback.myservice.security.SaveLoginRedirectServletFilter.doFilter(SaveLoginRedirectServletFilter.java:47)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	feedback.peoplestats.CurrentIPServletFilter.doFilterInternal(CurrentIPServletFilter.java:34)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:164)
	org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:80)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)

root cause

sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:387)
	sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)
	sun.security.validator.Validator.validate(Validator.java:260)
	sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324)
	sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:229)
	sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)
	sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1460)
	sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:212)
	sun.security.ssl.Handshaker.processLoop(Handshaker.java:969)
	sun.security.ssl.Handshaker.process_record(Handshaker.java:904)
	sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1050)
	sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1363)
	sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1391)
	sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1375)
	org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:275)
	org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:254)
	org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:117)
	org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:314)
	org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363)
	org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:219)
	org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)
	org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:86)
	org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
	org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:186)
	org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
	org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57)
	org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:91)
	org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48)
	org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53)
	org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:619)
	org.springframework.web.client.RestTemplate.execute(RestTemplate.java:595)
	org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:516)
	org.springframework.social.oauth1.OAuth1Template.exchangeForToken(OAuth1Template.java:192)
	org.springframework.social.oauth1.OAuth1Template.fetchRequestToken(OAuth1Template.java:117)
	feedback.social.RedirectableOAuth1AuthenticationService.getAuthToken(RedirectableOAuth1AuthenticationService.java:66)
	feedback.myservice.security.FeedbackAuthenticationFilter.attemptAuthService(FeedbackAuthenticationFilter.java:196)
	feedback.myservice.security.FeedbackAuthenticationFilter.attemptAuthentication(FeedbackAuthenticationFilter.java:105)
	org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:217)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:205)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	feedback.web.security.ApiKeyAuthenticationProcessingFilter.doFilter(ApiKeyAuthenticationProcessingFilter.java:94)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
	org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	feedback.myservice.security.SaveLoginRedirectServletFilter.doFilter(SaveLoginRedirectServletFilter.java:47)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	feedback.peoplestats.CurrentIPServletFilter.doFilterInternal(CurrentIPServletFilter.java:34)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:164)
	org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:80)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)

root cause

sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:145)
	sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:131)
	java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
	sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:382)
	sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)
	sun.security.validator.Validator.validate(Validator.java:260)
	sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324)
	sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:229)
	sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)
	sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1460)
	sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:212)
	sun.security.ssl.Handshaker.processLoop(Handshaker.java:969)
	sun.security.ssl.Handshaker.process_record(Handshaker.java:904)
	sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1050)
	sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1363)
	sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1391)
	sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1375)
	org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:275)
	org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:254)
	org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:117)
	org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:314)
	org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363)
	org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:219)
	org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)
	org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:86)
	org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
	org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:186)
	org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
	org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57)
	org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:91)
	org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48)
	org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53)
	org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:619)
	org.springframework.web.client.RestTemplate.execute(RestTemplate.java:595)
	org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:516)
	org.springframework.social.oauth1.OAuth1Template.exchangeForToken(OAuth1Template.java:192)
	org.springframework.social.oauth1.OAuth1Template.fetchRequestToken(OAuth1Template.java:117)
	feedback.social.RedirectableOAuth1AuthenticationService.getAuthToken(RedirectableOAuth1AuthenticationService.java:66)
	feedback.myservice.security.FeedbackAuthenticationFilter.attemptAuthService(FeedbackAuthenticationFilter.java:196)
	feedback.myservice.security.FeedbackAuthenticationFilter.attemptAuthentication(FeedbackAuthenticationFilter.java:105)
	org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:217)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:205)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	feedback.web.security.ApiKeyAuthenticationProcessingFilter.doFilter(ApiKeyAuthenticationProcessingFilter.java:94)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
	org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	feedback.myservice.security.SaveLoginRedirectServletFilter.doFilter(SaveLoginRedirectServletFilter.java:47)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	feedback.peoplestats.CurrentIPServletFilter.doFilterInternal(CurrentIPServletFilter.java:34)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:164)
	org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:80)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.20 logs.


Apache Tomcat/8.0.20