{"record":{"id":"835bf6016f8cb3d8","repo":"leptos-rs/leptos","slug":"failed-to-find-the-route-path-requested-by-the-u","errorCode":null,"errorMessage":"Failed to find the route {path} requested by the user. This suggests that the routing rules in the Router that call this handler needs to be edited!","messagePattern":"Failed to find the route (.+?) requested by the user\\. This suggests that the routing rules in the Router that call this handler needs to be edited!","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"integrations/axum/src/lib.rs","lineNumber":712,"sourceCode":"        app_fn.clone(),\n    );\n    let asyn = render_app_async_stream_with_context(\n        additional_context.clone(),\n        app_fn.clone(),\n    );\n\n    move |state, req| {\n        // 1. Process route to match the values in routeListing\n        let path = req\n            .extensions()\n            .get::<MatchedPath>()\n            .expect(\"Failed to get Axum router rule\")\n            .as_str();\n        // 2. Find RouteListing in paths. This should probably be optimized, we probably don't want to\n        // search for this every time\n        let listing: &AxumRouteListing =\n            paths.iter().find(|r| r.path() == path).unwrap_or_else(|| {\n                panic!(\n                    \"Failed to find the route {path} requested by the user. \\\n                     This suggests that the routing rules in the Router that \\\n                     call this handler needs to be edited!\"\n                )\n            });\n        // 3. Match listing mode against known, and choose function\n        match listing.mode() {\n            SsrMode::OutOfOrder => ooo(req),\n            SsrMode::PartiallyBlocked => pb(req),\n            SsrMode::InOrder => io(req),\n            SsrMode::Async => asyn(req),\n            SsrMode::Static(_) => {\n                #[cfg(feature = \"default\")]\n                {\n                    let regenerate = listing.regenerate.clone();\n                    handle_static_route(\n                        additional_context.clone(),\n                        app_fn.clone(),","sourceCodeStart":694,"sourceCodeEnd":730,"githubUrl":"https://github.com/leptos-rs/leptos/blob/32d20f6c9d517451d77beb68d88c7716823dac41/integrations/axum/src/lib.rs#L694-L730","documentation":"render_route_with_context looks up the request path in the Axum router's registered route listings and panics if the path the user requested is not among them. The message indicates the Router's routing rules and the handler's route table are out of sync — this handler was invoked for a path it has no listing for.","triggerScenarios":"A request reaches render_route/render_route_with_context whose path does not match any AxumRouteListing registered via the Router paths (typo in route, missing .path registration, catch-all forwarding unmatched paths into the handler).","commonSituations":"Adding a page to the client but forgetting the corresponding axum Router route; path prefix/case mismatches; wildcard routes forwarding paths that were never registered in paths(); deploying a stale server binary against a newer client route set.","solutions":["Register the missing path in the Axum Router / AxumRouter with the matching AxumRouteListing.","Verify the requested path string exactly matches the registered route path (case, leading/trailing slashes, params).","Rebuild/redeploy so server routes and client routes come from the same build.","Add a fallback handler for genuinely unknown paths instead of forwarding them to render_route."],"exampleFix":"// before\nlet app = Router::new().leptos_routes(&options, routes, { shell });\n// routes missing the new page\n// after\nlet routes = [AxumRouteListing::new(\"/new-page\", Method::GET)];\nlet app = Router::new().leptos_routes(&options, routes, { shell }); // path now resolvable","handlingStrategy":"validation","validationCode":"// before rendering, verify the path is registered\nfn path_is_registered(paths: &[AxumRouteListing], path: &str) -> bool {\n    paths.iter().any(|r| r.path() == path)\n}","typeGuard":null,"tryCatchPattern":"// panic from const-eval/panic! in handler cannot be caught; use a fallback route instead\nlet listing = paths.iter().find(|r| r.path() == path);\nlet listing = match listing { Some(l) => l, None => return fallback_404(req).await };","preventionTips":["Keep the AxumRouteListing list and Router routes generated from a single source of truth.","Add a test asserting every client route has a server listing.","Use a 404 fallback rather than forwarding unknown paths to the renderer."],"tags":["routing","axum","ssr","server","panic"],"backgroundTag":"route-not-registered-in-router","analyzedSha":"32d20f6c9d517451d77beb68d88c7716823dac41","analyzedAt":"2026-09-01T18:55:42.580Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-09T01:17:15.007Z"}