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Graph/route-base-path-mismatch

AntiPattern

Route/Base Path Mismatch

route-base-path-mismatch

Request routing breaks because duplicated or incorrectly configured base paths cause paths or asset URLs to resolve to the wrong route (e.g., /api/weather/api/weather) and server frameworks fail to interpret params/locale deeper in the tree.

Node Details

Public graph metadata

Updated6/27/2026

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30 linked nodes

MATCHESSolution

this doesn't work for tanstack router. For example, I have a dynamic route `/items/$itemId.tsx`. Tension: it gives me an error that `$itemId.tsx` should be in kebab-case. Outcome: override Biome config to disable this rule in `routes`.

MATCHESSolution

Outcome: the error can be resolved by setting the part to be imported to `import { routeTree } from './routeTree.gen.js';`.

MATCHESSolution

Configure Next.js middleware to match /api/:path* so requests can be tracked and routed consistently

MATCHESSolution

if using a bundler plugin, build your project or start a dev server — Here is a guide on setting up the file based router for different environments. Tension: Tanstack Router generates a file `routeTree.gen.ts`. Outcome: which declares the interface `FileRoutesByPath`.

MATCHESSolution

Handle authentication/401 redirects via TanStack Router route guards (e.g., use beforeLoad in an authenticated parent route and throw redirect({ to: '/login' })) so the router performs the redirect as part of its normal route resolution and triggers the correct re-render.

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use hash-based routing — react + tanstack router + github pages. Tension: The default "browser" routing will exhibit the behaviour you describe.

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Configure matching alias paths in root and app tsconfig files

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Set redirect_slashes=False and add both "" and "/" route decorators so both /api/users and /api/users/ work reliably

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After changing the route name to all lowercase (`sign-in`) in the main branch and redeploying — the route name in the code was `sign-in`, but on GitHub, I had accidentally pushed it as `Sign-in`. Tension: Since Next.js is case-sensitive with routes, this mismatch caused the deployed version on Vercel to fail. Outcome: everything started working fine.

MATCHESSolution

Use RequestPath MatchesExpression rules for .php$|.php7$ and common WordPress paths like wp-content, wp-admin, and wp-includes

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Upgrade Angular to a version where the CommonEngine bug is fixed, and switch SSR rendering to use AngularNodeAppEngine with server-side routing enabled (instead of CommonEngine). Configure the server routing/app engine accordingly so parameterized routes resolve on direct requests.

MATCHESSolution

We can fix this by giving a default response like this: — app/api/test/route.ts. Tension: No response is returned from route handler. Outcome: return NextResponse.json({data: "Uh oh! Resource Not Found"}, {status: 404}).

MATCHESSolution

Check Hosting Configuration — Using vue-router. Outcome: const router = new VueRouter({ base: '/myapp/', routes: [.

MATCHESSolution

Add a `/` at the end of the `api_url`, not the `base_path`

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Fix the imports to consistently reference the same module path (e.g., remove the `src.` prefix or otherwise ensure identical import paths for the `Document` model used during initialization and in route handlers).

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Use a single owned base domain and route UI and API via subdomains (e.g., my-app.com and api.my-app.com), then set the cookie Domain to a parent domain (e.g., `.my-app.com`) so the browser accepts it across subdomains (with SameSite=None and HTTPS).

MATCHESSolution

Consider using custom APIRoute instead. — It's quite similar to middleware in functionality, but it's called after the routing. Tension: there is no easy way to get this information. Outcome: app.router.route_class = LoggingRouter.

MATCHESSolution

Use route.matches(request.scope) on request.app.routes before call_next() and return route.path when Match.FULL

MATCHESSolution

Do not rely on parent-app `@app.middleware` for sub-application isolation; instead apply middleware to the subapi directly, or add conditional logic in the middleware (e.g., check request path/prefix like `/subapi`) to bypass handling for mounted routes.

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Remove the trailing slash from the request URL (ensure the endpoint path matches what Postman uses) so the server no longer returns a 307 redirect.

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Update the checkout router to mount the POST handler at the base path by changing router.post('/checkout', ...) to router.post('/', ...) (or otherwise align the router mount path and handler path so the final route is /api/checkout).

MATCHESSolution

Add "/support-us" to the middleware matcher array

MATCHESSolution

use the url ( localhost:3000/test/api ) as "src" of the image — With the route handler. Tension: Maybe you'll need to set some headers in the response (content-type). Outcome: that's all!

MATCHESSolution

The default is: /actuator/** — you have to set management.endpoints.web.base-path. Tension: you have not configured the management prefix URL. Outcome: according to the documentation.

MATCHESSolution

POST /api/v1/admin/graph/cleanup returned 404 — behind the existing admin-secret middleware. Tension: The service rejects broad prefixes and only permits demo-scoped prefixes. Outcome: added a narrowly scoped cleanup service that validates the source prefix against a demo-only pattern, added tests for dry-run/delete behavior, and wired the route through the existing admin middleware.

MATCHESSolution

You should be using relative paths. — render a set of "common" routes both under the root `"/"` path and also under the `"/admin"` path. Tension: This will allow you to move a route around anywhere and it will always match relative to its parent route.

MATCHESSolution

Use the correct route mounting and handler path so GET /api/weather is matched before the unknown-endpoint middleware

MATCHESSolution

case "CallbackRouteError": return { error: "Invalid credentials!" } — in my `login.ts` server action in the switch case clause. Tension: to return the correct errors. Outcome: bypass this error.

MATCHESSolution

Create index routes for the target parent paths (e.g., routes/$order-id.products._index.tsx and routes/$order-id._index.tsx) and have each loader redirect to the appropriate /local (or /products/local) URL.

MATCHESSolution

Use a dedicated pure helper instead of an inline replace. Outcome: accept BOTH path and uri as the locator everywhere you route by file.

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