{"record":{"id":"0b1fa7c0f5fb11df","repo":"grafana/k6","slug":"failed-to-read-config-file-w","errorCode":null,"errorMessage":"failed to read config file: %w","messagePattern":"failed to read config file: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/secretsource/url/url.go","lineNumber":507,"sourceCode":"\t\t\t\tcfg.Headers = make(map[string]string)\n\t\t\t}\n\t\t\tcfg.Headers[headerName] = value\n\t\t}\n\t}\n\n\treturn cfg, nil\n}\n\nfunc loadConfigFromFile(configPath string, fs fsext.Fs) (extConfig, error) {\n\tfile, err := fs.Open(configPath)\n\tif err != nil {\n\t\treturn extConfig{}, fmt.Errorf(\"failed to open config file: %w\", err)\n\t}\n\tdefer func() { _ = file.Close() }()\n\n\tconfigData, err := io.ReadAll(file)\n\tif err != nil {\n\t\treturn extConfig{}, fmt.Errorf(\"failed to read config file: %w\", err)\n\t}\n\n\tvar fileCfg extConfig\n\tif err := json.Unmarshal(configData, &fileCfg); err != nil {\n\t\treturn extConfig{}, fmt.Errorf(\"failed to parse JSON config: %w\", err)\n\t}\n\n\treturn fileCfg, nil\n}\n\nfunc validateURLTemplate(urlTemplate string) error {\n\tif urlTemplate == \"\" {\n\t\treturn errMissingURLTemplate\n\t}\n\n\t// Require {key} placeholder to differentiate between secrets\n\tif !strings.Contains(urlTemplate, \"{key}\") {\n\t\treturn errors.New(\"urlTemplate must contain {key} placeholder\")","sourceCodeStart":489,"sourceCodeEnd":525,"githubUrl":"https://github.com/grafana/k6/blob/01ffac6f245854c1b8adc6a69857c76a15f90022/internal/secretsource/url/url.go#L489-L525","documentation":"loadConfigFromFile opened the JSON config file for the URL secret source successfully but io.ReadAll failed while streaming its contents, e.g. an actual I/O error on the filesystem. Distinguishes read failures from the separate open and unmarshal errors emitted by the same function.","triggerScenarios":"Thrown at internal/secretsource/url/url.go:507 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Retry after checking disk/file accessibility","Ensure the file isn't being modified concurrently while k6 reads it"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"01ffac6f245854c1b8adc6a69857c76a15f90022","analyzedAt":"2026-08-18T03:05:52.393Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}