{"record":{"id":"2bbd5f7f2086bad1","repo":"withastro/astro","slug":"couldn-t-find-component-for-route-routedata-path","errorCode":null,"errorMessage":"Couldn't find component for route ${routeData.pathname}","messagePattern":"Couldn't find component for route (.+?)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/astro/src/container/pipeline.ts","lineNumber":89,"sourceCode":"\t\treturn { componentInstance, routeData, newUrl, pathname };\n\t}\n\n\tinsertRoute(route: RouteData, componentInstance: ComponentInstance): void {\n\t\tthis.#componentsInterner.set(route, {\n\t\t\tpage() {\n\t\t\t\treturn Promise.resolve(componentInstance);\n\t\t\t},\n\t\t\tonRequest: this.resolvedMiddleware,\n\t\t});\n\t}\n\n\t// At the moment it's not used by the container via any public API\n\tasync getComponentByRoute(routeData: RouteData): Promise<ComponentInstance> {\n\t\tconst page = this.#componentsInterner.get(routeData);\n\t\tif (page) {\n\t\t\treturn page.page();\n\t\t}\n\t\tthrow new Error(\"Couldn't find component for route \" + routeData.pathname);\n\t}\n}\n","sourceCodeStart":71,"sourceCodeEnd":92,"githubUrl":"https://github.com/withastro/astro/blob/d081033d5fe8e8a68c4bbbad4af9d2deb9c74bca/packages/astro/src/container/pipeline.ts#L71-L92","documentation":"`experimental_AstroContainer` exposes `getComponentByRoute(routeData)`, which looks up an already-loaded component instance via an internal interner (`#componentsInterner`). If no component for that route has been registered/loaded, there is nothing to return and it throws. Note the comment: this path is not currently exercised by any public container API, so reaching it in user code implies manual use of the method.","triggerScenarios":"Calling `container.getComponentByRoute(routeData)` for a route whose component was never inserted into the container (no `render`/`insertRoute` populated the interner for that `routeData`).","commonSituations":"Calling `getComponentByRoute` before rendering or inserting the route; passing a `RouteData` from a different manifest than the container was built from; using an internally constructed `RouteData` whose pathname does not match any inserted route.","solutions":["Ensure the route has been rendered or inserted via the container before querying it.","Confirm the `RouteData` object comes from the same manifest the container was created with.","Prefer the higher-level `container.renderToResponse(...)` API, which resolves components internally, instead of calling `getComponentByRoute` directly."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try {\n  const component = await container.getComponentByRoute(route);\n} catch (e) {\n  // route not loaded — render the page first, or fall back to renderToResponse\n  throw new Error(`Route ${route.pathname} not initialized in container`);\n}","preventionTips":["Prefer `container.renderToResponse(...)` over manual `getComponentByRoute`.","Insert/render the route before querying it.","Ensure the `RouteData` comes from the same manifest as the container."],"tags":["container","routing","api-misuse","internal"],"backgroundTag":null,"analyzedSha":"d081033d5fe8e8a68c4bbbad4af9d2deb9c74bca","analyzedAt":"2026-08-12T13:37:29.035Z","schemaVersion":2},"datasetVersion":"2026-08-12T18:17:37.767Z"}