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How to customize exception handling and error messages #1887

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pkouame created

Hi -

1 - working through the aspnetzero mpa core phonebook sample, I don't get the formatted error message in the guide. Rather I get this:

An unhandled exception occurred while processing the request.

AbpAuthorizationException: Required permissions are not granted. At least one of these permissions must be granted: Pages.Tenant.PhoneBook
MoveNext

Stack Query Cookies Headers
AbpAuthorizationException: Required permissions are not granted. At least one of these permissions must be granted: Pages.Tenant.PhoneBook
MoveNext
ThrowForNonSuccess

GetResult

...
...

MoveNext

Show raw exception details
Abp.Authorization.AbpAuthorizationException: Required permissions are not granted. At least one of these permissions must be granted: Pages.Tenant.PhoneBook
   at Abp.Authorization.PermissionCheckerExtensions.<AuthorizeAsync>d__9.MoveNext()
--- 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 System.Runtime.CompilerServices.TaskAwaiter.GetResult()
   at Abp.Authorization.AuthorizationHelper.<AuthorizeAsync>d__19.MoveNext()
--- 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)

How do I configure my project to handle this exception correctly?

2 - How can I customize these error messages and pages?

Thanks in advance, Patrice

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1 Answer(s)
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    0
    ismcagdas created
    Support Team

    Hi,

    The error page you see is shown for development time. There is the below code in Startup.cs which does this.

    if (env.IsDevelopment())
{
    app.UseDeveloperExceptionPage();
}
else
{
    app.UseStatusCodePagesWithRedirects("~/Error?statusCode={0}");
    app.UseExceptionHandler("/Error");
}

    If you want to see pretty error page on development time, you can chage it. If you want to modify the pretty error page, you can modify *.cshtml files under "Views\Error" folder.

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