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  • Joshua Genato 2 posts 72 karma points
    Feb 08, 2019 @ 01:28
    Joshua Genato
    0

    Getremainingtimeoutseconds - 500 internal server error

    Please help with this error: Encountered while using umbraco in backoffice.

    Error in developer tool, Get https://localhost:1234/umbraco/backoffice/UmbracoApi/Authentication/Getremainingtimeoutseconds 500 (internal server error )

    Logs: [P9300/D2/T13] ERROR Umbraco.Core.UmbracoApplicationBase - An unhandled exception occurred

    System.ArgumentException: The key 'Pragma' is already present in the dictionary.

    at Microsoft.Owin.Host.SystemWeb.CallHeaders.AspNetResponseHeaders.Add(String key, String[] value)

    at Microsoft.Owin.HeaderDictionary.Add(String key, String[] value)

    at Umbraco.Web.Security.Identity.GetUserSecondsMiddleWare.

    --- End of stack trace from previous location where exception was thrown ---

    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

    at Umbraco.Web.Security.Identity.FixWindowsAuthMiddlware.

    --- End of stack trace from previous location where exception was thrown ---

    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

    at Microsoft.Owin.Security.Infrastructure.AuthenticationMiddleware`1.

    --- End of stack trace from previous location where exception was thrown ---

    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

    at Microsoft.Owin.Security.Infrastructure.AuthenticationMiddleware`1.

    --- End of stack trace from previous location where exception was thrown ---

    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

    at Microsoft.AspNet.Identity.Owin.IdentityFactoryMiddleware`2.

    --- End of stack trace from previous location where exception was thrown ---

    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

    at Microsoft.AspNet.Identity.Owin.IdentityFactoryMiddleware`2.

    --- End of stack trace from previous location where exception was thrown ---

    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

    at Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.IntegratedPipelineContextStage.

    --- End of stack trace from previous location where exception was thrown ---

    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

    at Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.IntegratedPipelineContext.

    --- End of stack trace from previous location where exception was thrown ---

    at Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.StageAsyncResult.End(IAsyncResult ar)

    at Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.IntegratedPipelineContext.EndFinalWork(IAsyncResult ar)

    at System.Web.HttpApplication.AsyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()

    at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)

    at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

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