InvalidOperationException: sub claim is missing on logout

Smith

2890 Points

78 Posts

I'm getting error on logout in the following line:

var subjectId = HttpContext.User.Identity.
GetSubjectId();

InvalidOperationException: sub claim is missing
IdentityServer4.Extensions .PrincipalExtensions. GetSubjectId(IIdentity identity)
IdentityServer.Controllers. Account.AccountController+<Logout>d__17.MoveNext() in AccountController.cs
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
System.Runtime.CompilerServices.TaskAwaiter.GetResult()
IdentityServer.Controllers.Account.AccountController+<Logout>d__16.MoveNext() in AccountController.cs
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
System.Runtime.CompilerServices.TaskAwaiter.GetResult()
Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeActionMethodAsync>d__12.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
System.Runtime.CompilerServices.TaskAwaiter.GetResult()
Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeNextActionFilterAsync>d__10.MoveNext()

.netcore c#identityserver4

Views: 12225
Total Answered: 1
Total Marked As Answer: 0
Posted On: 21-May-2018 06:06

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Answers

sam

378 Points

48 Posts

It's looking claim are not available for that user. Try to first check if there is any claim available or not. Use following code:

var subjectId = HttpContext.User.Identity.GetAuthenticationMethods().Count() > 0 ? HttpContext.User.Identity.GetSubjectId() : "";

Posted On: 23-May-2018 05:26

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