Hello,

I use CAS 5.2.2 on Tomcat 8 and Java 1.8 and try to set up an openid 
service with no success.
My storage implementation for ticket replication is Hazelcast.
My openid configuration is :


Tickets are correctly processed when logging to a standard Service.
But it looks like, regarding above logs, when generating Oauth ticket, it 
returns a null pointer and then sending it to hazelcast raise an exception :


022-06-01 10:00:54,926 ERROR 
[org.apereo.cas.support.oauth.web.endpoints.OAuth20AccessTokenEndpointController]
 
- <null>
java.lang.NullPointerException: null
    at 
org.apereo.cas.ticket.registry.HazelcastTicketRegistry.addTicket(HazelcastTicketRegistry.java:60)
 
~[cas-server-support-hazelcast-ticket-registry-5.2.3.jar:5.2.3]
    at 
org.apereo.cas.ticket.registry.HazelcastTicketRegistry.updateTicket(HazelcastTicketRegistry.java:54)
 
~[cas-server-support-hazelcast-ticket-registry-5.2.3.jar:5.2.3]
    at 
org.apereo.cas.support.oauth.web.response.accesstoken.OAuth20DefaultTokenGenerator.generate(OAuth20DefaultTokenGenerator.java:75)
 
~[cas-server-support-oauth-5.2.3.jar:5.2.3]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
~[?:1.8.0_77]
    at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
~[?:1.8.0_77]
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 
~[?:1.8.0_77]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_77]
    at 
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at com.sun.proxy.$Proxy157.generate(Unknown Source) ~[?:?]
    at 
org.apereo.cas.support.oauth.web.endpoints.OAuth20AccessTokenEndpointController.handleRequest(OAuth20AccessTokenEndpointController.java:114)
 
[cas-server-support-oauth-5.2.3.jar:5.2.3]
    at 
org.apereo.cas.oidc.web.controllers.OidcAccessTokenEndpointController.handleRequest(OidcAccessTokenEndpointController.java:58)
 
[cas-server-support-oidc-5.2.3.jar:5.2.3]
    at 
org.apereo.cas.oidc.web.controllers.OidcAccessTokenEndpointController$$FastClassBySpringCGLIB$$60cb7b7e.invoke(<generated>)
 
[cas-server-support-oidc-5.2.3.jar:5.2.3]
    at 
org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) 
[spring-core-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
 
[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
 
[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
 
[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
 
[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
 
[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
 
[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apereo.cas.oidc.web.controllers.OidcAccessTokenEndpointController$$EnhancerBySpringCGLIB$$b277a655.handleRequest(<generated>)
 
[cas-server-support-oidc-5.2.3.jar:5.2.3]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
~[?:1.8.0_77]
    at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
~[?:1.8.0_77]
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 
~[?:1.8.0_77]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_77]
    at 
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
 
[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
 
[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
 
[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
 
[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
 
[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
 
[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 
[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
 
[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) 
[servlet-api.jar:?]
    at 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 
[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) 
[servlet-api.jar:?]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
[tomcat-websocket.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apereo.cas.web.support.AuthenticationCredentialsLocalBinderClearingFilter.doFilter(AuthenticationCredentialsLocalBinderClearingFilter.java:28)
 
[cas-server-core-web-5.2.2.jar:5.2.2]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apereo.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:261)
 
[cas-server-security-filter-2.0.7.jar:2.0.7]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apereo.cas.security.ResponseHeadersEnforcementFilter.doFilter(ResponseHeadersEnforcementFilter.java:245)
 
[cas-server-security-filter-2.0.7.jar:2.0.7]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:110)
 
[spring-boot-actuator-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96) 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apereo.cas.logging.web.ThreadContextMDCServletFilter.doFilter(ThreadContextMDCServletFilter.java:93)
 
[cas-server-core-logging-5.2.3.jar:5.2.3]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106)
 
[spring-boot-actuator-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:115)
 
[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.boot.web.support.ErrorPageFilter.access$000(ErrorPageFilter.java:59)
 
[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.boot.web.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:90)
 
[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:108)
 
[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apereo.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:66)
 
[inspektr-common-1.8.0.GA.jar:1.8.0.GA]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
 
[log4j-web-2.9.1.jar:2.9.1]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) 
[catalina.jar:8.5.28]
    at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) 
[tomcat-coyote.jar:8.5.28]
    at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
 
[tomcat-coyote.jar:8.5.28]
    at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
 
[tomcat-coyote.jar:8.5.28]
    at 
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2381)
 
[tomcat-coyote.jar:8.5.28]
    at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 
[tomcat-coyote.jar:8.5.28]
    at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[?:1.8.0_77]
    at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[?:1.8.0_77]
    at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 
[tomcat-util.jar:8.5.28]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_77]
2022-06-01 10:00:54,929 ERROR 
[org.springframework.boot.web.support.ErrorPageFilter] - <Forwarding to 
error page from request [/oidc/accessToken] due to exception [null]>
java.lang.RuntimeException: null
    at 
org.apereo.cas.support.oauth.web.endpoints.OAuth20AccessTokenEndpointController.handleRequest(OAuth20AccessTokenEndpointController.java:120)
 
~[cas-server-support-oauth-5.2.3.jar:5.2.3]
    at 
org.apereo.cas.oidc.web.controllers.OidcAccessTokenEndpointController.handleRequest(OidcAccessTokenEndpointController.java:58)
 
~[cas-server-support-oidc-5.2.3.jar:5.2.3]
    at 
org.apereo.cas.oidc.web.controllers.OidcAccessTokenEndpointController$$FastClassBySpringCGLIB$$60cb7b7e.invoke(<generated>)
 
~[cas-server-support-oidc-5.2.3.jar:5.2.3]
    at 
org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) 
~[spring-core-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apereo.cas.oidc.web.controllers.OidcAccessTokenEndpointController$$EnhancerBySpringCGLIB$$b277a655.handleRequest(<generated>)
 
~[cas-server-support-oidc-5.2.3.jar:5.2.3]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
~[?:1.8.0_77]
    at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
~[?:1.8.0_77]
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 
~[?:1.8.0_77]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_77]
    at 
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
 
~[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
 
~[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
 
~[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
 
~[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
 
~[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
 
~[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 
~[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
 
~[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) 
~[servlet-api.jar:?]
    at 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 
~[spring-webmvc-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) 
~[servlet-api.jar:?]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
~[tomcat-websocket.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.apereo.cas.web.support.AuthenticationCredentialsLocalBinderClearingFilter.doFilter(AuthenticationCredentialsLocalBinderClearingFilter.java:28)
 
~[cas-server-core-web-5.2.2.jar:5.2.2]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.apereo.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:261)
 
~[cas-server-security-filter-2.0.7.jar:2.0.7]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.apereo.cas.security.ResponseHeadersEnforcementFilter.doFilter(ResponseHeadersEnforcementFilter.java:245)
 
~[cas-server-security-filter-2.0.7.jar:2.0.7]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:110)
 
~[spring-boot-actuator-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96) 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.apereo.cas.logging.web.ThreadContextMDCServletFilter.doFilter(ThreadContextMDCServletFilter.java:93)
 
~[cas-server-core-logging-5.2.3.jar:5.2.3]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106)
 
~[spring-boot-actuator-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[catalina.jar:8.5.28]
    at 
org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:115)
 
[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.boot.web.support.ErrorPageFilter.access$000(ErrorPageFilter.java:59)
 
[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.boot.web.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:90)
 
[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
[spring-web-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:108)
 
[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apereo.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:66)
 
[inspektr-common-1.8.0.GA.jar:1.8.0.GA]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
 
[log4j-web-2.9.1.jar:2.9.1]
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
 
[catalina.jar:8.5.28]
    at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) 
[catalina.jar:8.5.28]
    at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) 
[tomcat-coyote.jar:8.5.28]
    at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
 
[tomcat-coyote.jar:8.5.28]
    at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
 
[tomcat-coyote.jar:8.5.28]
    at 
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2381)
 
[tomcat-coyote.jar:8.5.28]
    at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 
[tomcat-coyote.jar:8.5.28]
    at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[?:1.8.0_77]
    at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[?:1.8.0_77]
    at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 
[tomcat-util.jar:8.5.28]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_77]
Caused by: java.lang.NullPointerException
    at 
org.apereo.cas.ticket.registry.HazelcastTicketRegistry.addTicket(HazelcastTicketRegistry.java:60)
 
~[cas-server-support-hazelcast-ticket-registry-5.2.3.jar:5.2.3]
    at 
org.apereo.cas.ticket.registry.HazelcastTicketRegistry.updateTicket(HazelcastTicketRegistry.java:54)
 
~[cas-server-support-hazelcast-ticket-registry-5.2.3.jar:5.2.3]
    at 
org.apereo.cas.support.oauth.web.response.accesstoken.OAuth20DefaultTokenGenerator.generate(OAuth20DefaultTokenGenerator.java:75)
 
~[cas-server-support-oauth-5.2.3.jar:5.2.3]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
~[?:1.8.0_77]
    at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
~[?:1.8.0_77]
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 
~[?:1.8.0_77]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_77]
    at 
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
 
~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
    at com.sun.proxy.$Proxy157.generate(Unknown Source) ~[?:?]
    at 
org.apereo.cas.support.oauth.web.endpoints.OAuth20AccessTokenEndpointController.handleRequest(OAuth20AccessTokenEndpointController.java:114)
 
~[cas-server-support-oauth-5.2.3.jar:5.2.3]

Any one has ever meet this issue or have any clue ? Thanks for any help !

François

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