Hello, Since i ve migrated to CAS 5.3.2 from 5.2.4, i'm not unable to do an OpenID Connect
With IDEA dev env, connection passes but on prod environment, it is broken My cas properties for OIDC #OIDC cas.authn.oidc.jwksFile=file:/home/cas/cas_files/keystore.jwks cas.authn.oidc.claimsMap.preferred_username=sAMAccountName cas.authn.oidc.claimsMap.name=cn cas.authn.oidc.claimsMap.id=id cas.authn.oidc.claimsMap.email=mail cas.authn.oidc.scopes=openid,profile,email,address,phone,offline_access,testScope cas.authn.oidc.userDefinedScopes.testScope=preferred_username,name,email,mail,uid,id And the log of error 2018-08-23 23:58:51,365 ERROR [org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/cas].[dispatcherServlet]] - <Servlet.service() for servlet [dispatcherServlet] in context with path [/cas] threw exception [Request processing failed; nested exception is java.lang.IllegalStateException: Cannot find service ticket issues to https://cas.example.com/cas/oauth2.0/callbackAuthorize.* as part of the authentication context] with root cause> java.lang.IllegalStateException: Cannot find service ticket issues to https://cas.example.com/cas/oauth2.0/callbackAuthorize.* as part of the authentication context at com.google.common.base.Preconditions.checkState(Preconditions.java:504) ~[guava-25.0-jre.jar!/:?] at org.apereo.cas.oidc.token.OidcIdTokenGeneratorService.getOAuthServiceTicket(OidcIdTokenGeneratorService.java:178) ~[cas-server-support-oidc-5.3.2.jar!/:5.3.2] at org.apereo.cas.oidc.token.OidcIdTokenGeneratorService.produceIdTokenClaims(OidcIdTokenGeneratorService.java:134) ~[cas-server-support-oidc-5.3.2.jar!/:5.3.2] at org.apereo.cas.oidc.token.OidcIdTokenGeneratorService.generate(OidcIdTokenGeneratorService.java:103) ~[cas-server-support-oidc-5.3.2.jar!/:5.3.2] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_144] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144] at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:216) ~[spring-core-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.cloud.context.scope.GenericScope$LockedScopedProxyFactoryBean.invoke(GenericScope.java:470) ~[spring-cloud-context-1.3.0.RELEASE.jar!/:1.3.0.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:671) ~[spring-aop-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apereo.cas.oidc.token.OidcIdTokenGeneratorService$$EnhancerBySpringCGLIB$$8505662.generate(<generated>) ~[cas-server-support-oidc-5.3.2.jar!/:5.3.2] at org.apereo.cas.oidc.web.OidcAccessTokenResponseGenerator.generateJsonInternal(OidcAccessTokenResponseGenerator.java:44) ~[cas-server-support-oidc-5.3.2.jar!/:5.3.2] at org.apereo.cas.support.oauth.web.response.accesstoken.OAuth20AccessTokenResponseGenerator.generate(OAuth20AccessTokenResponseGenerator.java:64) ~[cas-server-support-oauth-5.3.2.jar!/:5.3.2] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_144] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144] at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:216) ~[spring-core-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.cloud.context.scope.GenericScope$LockedScopedProxyFactoryBean.invoke(GenericScope.java:470) ~[spring-cloud-context-1.3.0.RELEASE.jar!/:1.3.0.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) ~[spring-aop-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at com.sun.proxy.$Proxy203.generate(Unknown Source) ~[?:?] at org.apereo.cas.support.oauth.web.endpoints.OAuth20AccessTokenEndpointController.generateAccessTokenResponse(OAuth20AccessTokenEndpointController.java:147) ~[cas-server-support-oauth-5.3.2.jar!/:5.3.2] at org.apereo.cas.support.oauth.web.endpoints.OAuth20AccessTokenEndpointController.handleRequest(OAuth20AccessTokenEndpointController.java:121) ~[cas-server-support-oauth-5.3.2.jar!/:5.3.2] at org.apereo.cas.oidc.web.controllers.OidcAccessTokenEndpointController.handleRequest(OidcAccessTokenEndpointController.java:69) ~[cas-server-support-oidc-5.3.2.jar!/:5.3.2] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_144] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144] at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:216) ~[spring-core-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.cloud.context.scope.GenericScope$LockedScopedProxyFactoryBean.invoke(GenericScope.java:470) ~[spring-cloud-context-1.3.0.RELEASE.jar!/:1.3.0.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:671) ~[spring-aop-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apereo.cas.oidc.web.controllers.OidcAccessTokenEndpointController$$EnhancerBySpringCGLIB$$bb8301ec.handleRequest(<generated>) ~[cas-server-support-oidc-5.3.2.jar!/:5.3.2] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_144] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.web.support.AuthenticationCredentialsThreadLocalBinderClearingFilter.doFilter(AuthenticationCredentialsThreadLocalBinderClearingFilter.java:30) ~[cas-server-core-web-api-5.3.2.jar!/:5.3.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:261) ~[cas-server-security-filter-2.0.10.2.jar!/:2.0.10.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.security.ResponseHeadersEnforcementFilter.doFilter(ResponseHeadersEnforcementFilter.java:237) ~[cas-server-security-filter-2.0.10.2.jar!/:2.0.10.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.security.AddResponseHeadersFilter.doFilter(AddResponseHeadersFilter.java:94) ~[cas-server-security-filter-2.0.10.2.jar!/:2.0.10.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111) ~[spring-boot-actuator-1.5.14.RELEASE.jar!/:1.5.14.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.logging.web.ThreadContextMDCServletFilter.doFilter(ThreadContextMDCServletFilter.java:91) ~[cas-server-core-logging-5.3.2.jar!/:5.3.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106) ~[spring-boot-actuator-1.5.14.RELEASE.jar!/:1.5.14.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:66) ~[inspektr-common-1.8.3.GA.jar!/:1.8.3.GA] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:677) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_144] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_144] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144] 2018-08-23 23:58:51,391 ERROR [org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/cas].[dispatcherServlet]] - <Servlet.service() for servlet [dispatcherServlet] threw exception> java.lang.IllegalStateException: getWriter() has already been called for this response at org.apache.catalina.connector.Response.getOutputStream(Response.java:590) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.connector.ResponseFacade.getOutputStream(ResponseFacade.java:194) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at javax.servlet.ServletResponseWrapper.getOutputStream(ServletResponseWrapper.java:100) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.http.server.ServletServerHttpResponse.getBody(ServletServerHttpResponse.java:89) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:251) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.http.converter.AbstractGenericHttpMessageConverter.write(AbstractGenericHttpMessageConverter.java:106) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:231) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.HttpEntityMethodProcessor.handleReturnValue(HttpEntityMethodProcessor.java:208) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:81) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:113) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.web.support.AuthenticationCredentialsThreadLocalBinderClearingFilter.doFilter(AuthenticationCredentialsThreadLocalBinderClearingFilter.java:30) ~[cas-server-core-web-api-5.3.2.jar!/:5.3.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:261) ~[cas-server-security-filter-2.0.10.2.jar!/:2.0.10.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.security.ResponseHeadersEnforcementFilter.doFilter(ResponseHeadersEnforcementFilter.java:237) ~[cas-server-security-filter-2.0.10.2.jar!/:2.0.10.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.security.AddResponseHeadersFilter.doFilter(AddResponseHeadersFilter.java:94) ~[cas-server-security-filter-2.0.10.2.jar!/:2.0.10.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.logging.web.ThreadContextMDCServletFilter.doFilter(ThreadContextMDCServletFilter.java:91) ~[cas-server-core-logging-5.3.2.jar!/:5.3.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:66) ~[inspektr-common-1.8.3.GA.jar!/:1.8.3.GA] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:591) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:527) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:389) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:254) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:349) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:175) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:677) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_144] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_144] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144] 2018-08-23 23:58:51,410 ERROR [org.apache.catalina.core.ContainerBase.[Tomcat].[localhost]] - <Exception Processing ErrorPage[errorCode=0, location=/error]> org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.IllegalStateException: getWriter() has already been called for this response at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.web.support.AuthenticationCredentialsThreadLocalBinderClearingFilter.doFilter(AuthenticationCredentialsThreadLocalBinderClearingFilter.java:30) ~[cas-server-core-web-api-5.3.2.jar!/:5.3.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:261) ~[cas-server-security-filter-2.0.10.2.jar!/:2.0.10.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.security.ResponseHeadersEnforcementFilter.doFilter(ResponseHeadersEnforcementFilter.java:237) ~[cas-server-security-filter-2.0.10.2.jar!/:2.0.10.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.security.AddResponseHeadersFilter.doFilter(AddResponseHeadersFilter.java:94) ~[cas-server-security-filter-2.0.10.2.jar!/:2.0.10.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.cas.logging.web.ThreadContextMDCServletFilter.doFilter(ThreadContextMDCServletFilter.java:91) ~[cas-server-core-logging-5.3.2.jar!/:5.3.2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apereo.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:66) ~[inspektr-common-1.8.3.GA.jar!/:1.8.3.GA] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:591) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:527) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:389) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:254) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:349) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:175) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:677) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_144] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_144] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144] Caused by: java.lang.IllegalStateException: getWriter() has already been called for this response at org.apache.catalina.connector.Response.getOutputStream(Response.java:590) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.apache.catalina.connector.ResponseFacade.getOutputStream(ResponseFacade.java:194) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at javax.servlet.ServletResponseWrapper.getOutputStream(ServletResponseWrapper.java:100) ~[tomcat-embed-core-8.5.31.jar!/:8.5.31] at org.springframework.http.server.ServletServerHttpResponse.getBody(ServletServerHttpResponse.java:89) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:251) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.http.converter.AbstractGenericHttpMessageConverter.write(AbstractGenericHttpMessageConverter.java:106) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:231) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.HttpEntityMethodProcessor.handleReturnValue(HttpEntityMethodProcessor.java:208) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:81) ~[spring-web-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:113) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.18.RELEASE.jar!/:4.3.18.RELEASE] ... 64 more -- - Website: https://apereo.github.io/cas - Gitter Chatroom: https://gitter.im/apereo/cas - List Guidelines: https://goo.gl/1VRrw7 - Contributions: https://goo.gl/mh7qDG --- You received this message because you are subscribed to the Google Groups "CAS Community" group. 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