{"record":{"id":"a0d331ebe8aceb46","repo":"plandex-ai/plandex","slug":"failed-to-fetch-the-url-s-v","errorCode":null,"errorMessage":"failed to fetch the URL %s: %v","messagePattern":"failed to fetch the URL (.+?): (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"app/cli/lib/context_update.go","lineNumber":859,"sourceCode":"\t\t\t\t\t\t}, nil\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t}(context)\n\n\t\tcase shared.ContextURLType:\n\t\t\twg.Add(1)\n\t\t\tgo func(ctx *shared.Context) {\n\t\t\t\tdefer wg.Done()\n\t\t\t\tsem <- struct{}{}\n\t\t\t\tdefer func() { <-sem }()\n\n\t\t\t\tbody, err := url.FetchURLContent(ctx.Url)\n\n\t\t\t\tif err != nil {\n\t\t\t\t\tmu.Lock()\n\t\t\t\t\tdefer mu.Unlock()\n\t\t\t\t\terrs = append(errs, fmt.Errorf(\"failed to fetch the URL %s: %v\", ctx.Url, err))\n\t\t\t\t\treturn\n\t\t\t\t}\n\n\t\t\t\tsize := int64(len(body))\n\t\t\t\tif size > shared.MaxContextBodySize {\n\t\t\t\t\tmu.Lock()\n\t\t\t\t\tdefer mu.Unlock()\n\t\t\t\t\tfilesSkippedTooLarge = append(filesSkippedTooLarge, filePathWithSize{Path: ctx.Url, Size: size})\n\t\t\t\t\treturn\n\t\t\t\t}\n\t\t\t\tif totalSize+size > shared.MaxContextBodySize {\n\t\t\t\t\tmu.Lock()\n\t\t\t\t\tdefer mu.Unlock()\n\t\t\t\t\tfilesSkippedAfterSizeLimit = append(filesSkippedAfterSizeLimit, ctx.Url)\n\t\t\t\t\treturn\n\t\t\t\t}\n\t\t\t\thash := sha256.Sum256([]byte(body))\n\t\t\t\tnewSha := hex.EncodeToString(hash[:])","sourceCodeStart":841,"sourceCodeEnd":877,"githubUrl":"https://github.com/plandex-ai/plandex/blob/e2d772072efadbe41d2946d97d79be55532dbab5/app/cli/lib/context_update.go#L841-L877","documentation":"Thrown when url.FetchURLContent fails to download the content of a URL-type context during refresh. Any HTTP/network failure (non-2xx status, timeout, DNS failure, TLS error) is wrapped with the URL. The context cannot be checked for staleness without its body.","triggerScenarios":"FetchURLContent(ctx.Url) returns err inside the URL-context goroutine — the remote server returned an error status, connection failed, request timed out, or TLS handshake failed.","commonSituations":"Remote page moved (404) or requires auth (401/403); no network access or DNS misconfiguration; site blocks non-browser user agents; self-signed/expired certificates; rate limiting (429).","solutions":["Open the URL in a browser/curl to confirm it is reachable and returns 200.","Fix network/DNS/proxy issues if the error is connection-level.","If the URL requires auth or blocks bots, host the content locally or use an alternative mirror URL; remove and re-add the context with a working URL.","Retry later if the server returned 429/5xx (rate limit or outage).","If the certificate is the problem, update the CA bundle or use an https URL with a valid cert."],"exampleFix":"// before\nctx.Url = \"http://internal-docs.local/api\"  // DNS failure\n// after\nctx.Url = \"https://docs.example.com/api\"     // reachable, valid TLS","handlingStrategy":"validation","validationCode":"resp, err := http.Head(url)\nif err != nil { return fmt.Errorf(\"unreachable before adding: %w\", err) }\nif resp.StatusCode != 200 { return fmt.Errorf(\"%s returned %d\", url, resp.StatusCode) }","typeGuard":null,"tryCatchPattern":"if err := refreshContext(ctx); err != nil {\n    var urlErr string\n    if strings.Contains(err.Error(), \"failed to fetch the URL\") {\n        // check wrapped cause: 404/403 vs dial timeout vs TLS\n        _ = urlErr\n    }\n}","preventionTips":["Verify URLs return 200 before adding them as contexts","Prefer stable, authenticated-accessible URLs over ephemeral links","Handle 429/5xx with delayed retries","Keep CA bundles updated for TLS validation"],"tags":["network","http","url-fetch"],"backgroundTag":"url-fetch-failed","analyzedSha":"e2d772072efadbe41d2946d97d79be55532dbab5","analyzedAt":"2026-09-05T20:56:53.631Z","contentChangedAt":"2026-09-05T20:56:53.631Z","schemaVersion":2},"datasetVersion":"2026-09-12T22:17:10.623Z"}