Fix "response started" scenarios.

ilonatommy · ilonatommy · commit 74e3eae2307f · 2025-03-26T09:07:45.000+01:00
diff --git a/src/Components/Endpoints/src/Rendering/EndpointHtmlRenderer.EventDispatch.cs b/src/Components/Endpoints/src/Rendering/EndpointHtmlRenderer.EventDispatch.cs
@@ -79,6 +79,8 @@ private void SetNotFoundResponse(object? sender, EventArgs args)
         if (_httpContext.Response.HasStarted)
         {
             // We cannot set a NotFound code after the response has already started
+            var navigationManager = _httpContext.RequestServices.GetRequiredService<NavigationManager>();
+            navigationManager?.NavigateTo("/not-found");
             return;
         }
         _httpContext.Response.StatusCode = StatusCodes.Status404NotFound;

Original file line number	Diff line number	Diff line change
`@@ -79,6 +79,8 @@ private void SetNotFoundResponse(object? sender, EventArgs args)`
`79`	`79`	`if (_httpContext.Response.HasStarted)`
`80`	`80`	`{`
`81`	`81`	`// We cannot set a NotFound code after the response has already started`
	`82`	`+ var navigationManager = _httpContext.RequestServices.GetRequiredService<NavigationManager>();`
	`83`	`+ navigationManager?.NavigateTo("/not-found");`
`82`	`84`	`return;`
`83`	`85`	`}`
`84`	`86`	`_httpContext.Response.StatusCode = StatusCodes.Status404NotFound;`