{"record":{"id":"3edf54a58549f749","repo":"helm/helm","slug":"looks-like-q-is-not-a-valid-chart-repository-or-c-3edf54","errorCode":null,"errorMessage":"looks like %q is not a valid chart repository or cannot be reached: %w","messagePattern":"looks like %q is not a valid chart repository or cannot be reached: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/repo/v1/chartrepo.go","lineNumber":203,"sourceCode":"\n\tc := Entry{\n\t\tURL:                   repoURL,\n\t\tUsername:              opts.Username,\n\t\tPassword:              opts.Password,\n\t\tPassCredentialsAll:    opts.PassCredentialsAll,\n\t\tCertFile:              opts.CertFile,\n\t\tKeyFile:               opts.KeyFile,\n\t\tCAFile:                opts.CAFile,\n\t\tName:                  name,\n\t\tInsecureSkipTLSVerify: opts.InsecureSkipTLSVerify,\n\t}\n\tr, err := NewChartRepository(&c, getters)\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\tidx, err := r.DownloadIndexFile()\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"looks like %q is not a valid chart repository or cannot be reached: %w\", repoURL, err)\n\t}\n\tdefer func() {\n\t\tos.RemoveAll(filepath.Join(r.CachePath, helmpath.CacheChartsFile(r.Config.Name)))\n\t\tos.RemoveAll(filepath.Join(r.CachePath, helmpath.CacheIndexFile(r.Config.Name)))\n\t}()\n\n\t// Read the index file for the repository to get chart information and return chart URL\n\trepoIndex, err := LoadIndexFile(idx)\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\n\terrMsg := fmt.Sprintf(\"chart %q\", chartName)\n\tif opts.ChartVersion != \"\" {\n\t\terrMsg = fmt.Sprintf(\"%s version %q\", errMsg, opts.ChartVersion)\n\t}\n\tcv, err := repoIndex.Get(chartName, opts.ChartVersion)\n\tif err != nil {","sourceCodeStart":185,"sourceCodeEnd":221,"githubUrl":"https://github.com/helm/helm/blob/2a29f1770b62844b27197d2507377361d45ad7c0/pkg/repo/v1/chartrepo.go#L185-L221","documentation":"FindChartInAuthAndTLSAndRepoURL wraps a failed DownloadIndexFile: the repository's index.yaml could not be fetched. The wrapped error carries the real cause - DNS failure, connection refused, 404 on index.yaml, TLS verification failure, or an auth error.","triggerScenarios":"Chart resolution (helm pull/show/install from a named repo) when the repo host is unreachable, index.yaml returns 404/401, the server uses self-signed TLS without --ca-file, or a proxy blocks the request.","commonSituations":"Stale or wrong repo URL after the repo moved; corporate proxies requiring HTTPS_PROXY; self-hosted repos with self-signed certificates; offline/air-gapped environments; expired auth tokens for private repos.","solutions":["Read the wrapped error text - it names the exact cause (DNS, TLS, 404, timeout, auth)","Verify reachability directly: `curl -f <repoURL>/index.yaml` (add -k or --cacert as appropriate)","Fix the stored URL: `helm repo remove <name>` and `helm repo add <name> <correct-url>`, then `helm repo update`","For TLS issues pass --ca-file / --insecure-skip-tls-verify; for proxied networks export HTTPS_PROXY"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":"var chartURL string\nerr := retry.Do(func() error {\n\tvar e error\n\tchartURL, e = client.ChartRepository.FindChartInRepoURL(...) // or repo.FindChartInAuthAndTLSAndRepoURL\n\treturn e\n}, retry.Attempts(3), retry.Delay(2*time.Second), retry.DelayType(retry.BackOffDelay))\nif err != nil {\n\tvar inner error = err\nfor {\n\tif u := errors.Unwrap(inner); u != nil {\n\t\tinner = u\n\t} else {\n\t\tbreak\n\t}\n}\n\t// inner now carries the true network cause (DNS/TLS/404/auth) for diagnostics\n}","preventionTips":["Pre-flight check `curl -f <repoURL>/index.yaml` before running jobs that resolve charts","Wrap repo operations in bounded retry with backoff for transient network faults","Pin --ca-file for private CAs and export HTTPS_PROXY in corporate networks"],"tags":["network","repository","index","tls","proxy"],"backgroundTag":null,"analyzedSha":"2a29f1770b62844b27197d2507377361d45ad7c0","analyzedAt":"2026-08-15T22:02:47.490Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}