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javax.validation.ValidationException: HV000028: Unexpected exception during isValid call. at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateSingleConstraint(ConstraintTree.java:451)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:127)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:87)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.metadata.core.MetaConstraint.validateConstraint(MetaConstraint.java:73)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validateMetaConstraint(ValidatorImpl.java:620)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraint(ValidatorImpl.java:583)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForSingleDefaultGroupElement(ValidatorImpl.java:527)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForDefaultGroup(ValidatorImpl.java:495)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:460)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:410)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validateCascadedConstraint(ValidatorImpl.java:761)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validateCascadedConstraints(ValidatorImpl.java:684)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:419)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at org.hibernate.validator.internal.engine.ValidatorImpl.validate(ValidatorImpl.java:207)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] at io.pivotal.security.request.BaseCredentialRequest.enforceJsr303AnnotationValidations(BaseCredentialRequest.java:93)[classes!/:?] at io.pivotal.security.request.BaseCredentialRequest.validate(BaseCredentialRequest.java:88)[classes!/:?] at io.pivotal.security.request.BaseCredentialSetRequest.validate(BaseCredentialSetRequest.java:34)[classes!/:?] at io.pivotal.security.controller.v1.CredentialsController.set(CredentialsController.java:97)[classes!/:?] at sun.reflect.GeneratedMethodAccessor144.invoke(Unknown Source)[?:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[?:1.8.0_152] at java.lang.reflect.Method.invoke(Method.java:498)[?:1.8.0_152] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)[spring-webmvc-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)[spring-webmvc-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)[spring-webmvc-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)[spring-webmvc-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)[spring-webmvc-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)[spring-webmvc-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)[spring-webmvc-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doPut(FrameworkServlet.java:883)[spring-webmvc-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:664)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)[spring-webmvc-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)[tomcat-embed-websocket-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176)[spring-security-oauth2-2.0.14.RELEASE.jar!/:?] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter.doFilter(AbstractPreAuthenticatedProcessingFilter.java:121)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at io.pivotal.security.config.OAuth2ExtraValidationFilter.doFilterInternal(OAuth2ExtraValidationFilter.java:78)[classes!/:?] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at io.pivotal.security.auth.PreAuthenticationFailureFilter.doFilterInternal(PreAuthenticationFailureFilter.java:28)[classes!/:?] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)[spring-security-web-4.2.3.RELEASE.jar!/:4.2.3.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.3.12.RELEASE.jar!/:4.3.12.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)[?:1.8.0_152] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)[?:1.8.0_152] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)[tomcat-embed-core-8.5.23.jar!/:8.5.23] at java.lang.Thread.run(Thread.java:748)[?:1.8.0_152]Caused by: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.NullPointerException at io.pivotal.security.validator.CertificateSignedByCAValidator.isValid(CertificateSignedByCAValidator.java:38)[classes!/:?] at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateSingleConstraint(ConstraintTree.java:448)[hibernate-validator-5.3.5.Final.jar!/:5.3.5.Final] ... 116 moreCaused by: java.lang.RuntimeException: java.lang.NullPointerException at io.pivotal.security.util.CertificateReader.isSignedByCa(CertificateReader.java:91)[classes!/:?] at io.pivotal.security.validator.CertificateSignedByCAValidator.isValid(CertificateSignedByCAValidator.java:35)[classes!/:?] ... 117 moreCaused by: java.lang.NullPointerException at io.pivotal.security.util.CertificateReader.isSignedByCa(CertificateReader.java:84)[classes!/:?] ... 118 more