We're being asked to switch our web applications over to use CAS instead of
LDAP. I am a novice at this but I know I need to pull in some attributes,
which requires the use of SAML 1.1 in the .Net CAS client. Unfortunately,
although it was working at one point, I have started getting errors that occur
when I change the ticketValidatorName configuration from Cas20 to Saml11.
I have even tried using the sample website from the .Net CAS client on GitHub.
It works when I set ticketValidatorName="Cas20" but when I change it to Saml11,
the site errors. I have also tried a blank website copying the web.config
settings from the Wiki and updating them to point to our dev CAS server and
application along with a "protected" ASP.NET folder (separate web.config with a
deny ? entry) and that also fails.
I have been unable to determine whether the issue is with my server, the .Net
CAS client, the configuration, or the CAS server. I enlisted the help of our
systems administration group which runs the CAS server but they could not
determine why this error occurred only to say a ticket granting ticket (?)was
not being requested.
Any assistance would be appreciated in helping resolve this issue.
The error I'm getting is:
{"failure":"true","exception.message":"org.springframework.webflow.execution.ActionExecutionException:
Exception thrown executing
org.jasig.cas.web.flow.GenerateServiceTicketAction@ad5b8da in state
'generateServiceTicket' of flow 'login' -- action execution attributes were
'map[[empty]]'","exception.stacktrace":"org.springframework.webflow.execution.ActionExecutionException:
Exception thrown executing
org.jasig.cas.web.flow.GenerateServiceTicketAction@ad5b8da in state
'generateServiceTicket' of flow 'login' -- action execution attributes were
'map[[empty]]'\n\tat
org.springframework.webflow.execution.ActionExecutor.execute(ActionExecutor.java:60)\n\tat
org.springframework.webflow.action.EvaluateAction.doExecute(EvaluateAction.java:77)\n\tat
org.springframework.webflow.action.AbstractAction.execute(AbstractAction.java:188)\n\tat
org.springframework.webflow.execution.AnnotatedAction.execute(AnnotatedAction.java:145)\n\tat
org.springframework.webflow.execution.ActionExecutor.execute(ActionExecutor.java:51)\n\tat
org.springframework.webflow.engine.ActionState.doEnter(ActionState.java:101)\n\tat
org.springframework.webflow.engine.State.enter(State.java:194)\n\tat
org.springframework.webflow.engine.Transition.execute(Transition.java:227)\n\tat
org.springframework.webflow.engine.DecisionState.doEnter(DecisionState.java:51)\n\tat
org.springframework.webflow.engine.State.enter(State.java:194)\n\tat
org.springframework.webflow.engine.Transition.execute(Transition.java:227)\n\tat
org.springframework.webflow.engine.DecisionState.doEnter(DecisionState.java:51)\n\tat
org.springframework.webflow.engine.State.enter(State.java:194)\n\tat
org.springframework.webflow.engine.Transition.execute(Transition.java:227)\n\tat
org.springframework.webflow.engine.DecisionState.doEnter(DecisionState.java:51)\n\tat
org.springframework.webflow.engine.State.enter(State.java:194)\n\tat
org.springframework.webflow.engine.Flow.start(Flow.java:535)\n\tat
org.springframework.webflow.engine.impl.FlowExecutionImpl.start(FlowExecutionImpl.java:366)\n\tat
org.springframework.webflow.engine.impl.FlowExecutionImpl.start(FlowExecutionImpl.java:225)\n\tat
org.springframework.webflow.executor.FlowExecutorImpl.launchExecution(FlowExecutorImpl.java:140)\n\tat
org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:193)\n\tat
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)\n\tat
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)\n\tat
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)\n\tat
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)\n\tat
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)\n\tat
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)\n\tat
org.jasig.cas.web.init.SafeDispatcherServlet.service_aroundBody2(SafeDispatcherServlet.java:128)\n\tat
org.jasig.cas.web.init.SafeDispatcherServlet.service_aroundBody3$advice(SafeDispatcherServlet.java:57)\n\tat
org.jasig.cas.web.init.SafeDispatcherServlet.service(SafeDispatcherServlet.java:1)\n\tat
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)\n\tat
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)\n\tat
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)\n\tat
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)\n\tat
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)\n\tat
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)\n\tat
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)\n\tat
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)\n\tat
com.github.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:63)\n\tat
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)\n\tat
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)\n\tat
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)\n\tat
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)\n\tat
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)\n\tat
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)\n\tat
org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:600)\n\tat
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)\n\tat
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)\n\tat
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)\n\tat
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:865)\n\tat
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)\n\tat
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1556)\n\tat
java.lang.Thread.run(Thread.java:701)\nCaused by:
java.lang.IllegalArgumentException: 'principal' cannot be null.\nCheck the
correctness of @Audit annotation at the following audit point: execution(public
abstract java.lang.String
org.jasig.cas.CentralAuthenticationService.grantServiceTicket(java.lang.String,org.jasig.cas.authentication.principal.Service))\n\tat
com.github.inspektr.audit.AuditActionContext.assertNotNull(AuditActionContext.java:81)\n\tat
com.github.inspektr.audit.AuditActionContext.<init>(AuditActionContext.java:63)\n\tat
com.github.inspektr.audit.AuditTrailManagementAspect.executeAuditCode(AuditTrailManagementAspect.java:149)\n\tat
com.github.inspektr.audit.AuditTrailManagementAspect.handleAuditTrail(AuditTrailManagementAspect.java:139)\n\tat
sun.reflect.GeneratedMethodAccessor73.invoke(Unknown Source)\n\tat
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n\tat
java.lang.reflect.Method.invoke(Method.java:622)\n\tat
org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)\n\tat
org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)\n\tat
org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)\n\tat
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)\n\tat
org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)\n\tat
org.perf4j.aop.AbstractTimingAspect$1.proceed(AbstractTimingAspect.java:47)\n\tat
org.perf4j.aop.AgnosticTimingAspect.runProfiledMethod(AgnosticTimingAspect.java:53)\n\tat
org.perf4j.aop.AbstractTimingAspect.doPerfLogging(AbstractTimingAspect.java:45)\n\tat
sun.reflect.GeneratedMethodAccessor72.invoke(Unknown Source)\n\tat
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n\tat
java.lang.reflect.Method.invoke(Method.java:622)\n\tat
org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)\n\tat
org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)\n\tat
org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)\n\tat
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)\n\tat
org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)\n\tat
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)\n\tat
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)\n\tat
com.sun.proxy.$Proxy27.grantServiceTicket(Unknown Source)\n\tat
org.jasig.cas.web.flow.GenerateServiceTicketAction.doExecute(GenerateServiceTicketAction.java:52)\n\tat
org.springframework.webflow.action.AbstractAction.execute(AbstractAction.java:188)\n\tat
org.springframework.webflow.execution.ActionExecutor.execute(ActionExecutor.java:51)\n\t...
52 more\n"}
Thanks in advance!
**********************
Mark Reynolds
IT Manager
Parking Services Department
Joe Frank Harris Commons
University Of Georgia
80 Carlton Street
Athens, GA 30602-6004
706-542-7364
ma...@uga.edu<mailto:ma...@uga.edu>
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