{"record":{"id":"355c9c632baa044d","repo":"kataras/iris","slug":"parse-yaml-w","errorCode":null,"errorMessage":"parse yaml: %w","messagePattern":"parse yaml: %w","errorType":"error_code","errorClass":null,"httpStatus":null,"severity":"error","filePath":"configuration.go","lineNumber":64,"sourceCode":"\t\t\thome = os.Getenv(\"home\")\n\t\tcase \"windows\":\n\t\t\thome = os.Getenv(\"HOMEDRIVE\") + os.Getenv(\"HOMEPATH\")\n\t\t\tif home == \"\" {\n\t\t\t\thome = os.Getenv(\"USERPROFILE\")\n\t\t\t}\n\t\t}\n\t}\n\n\treturn\n}\n\nfunc parseYAML(filename string) (Configuration, error) {\n\tc := DefaultConfiguration()\n\t// get the abs\n\t// which will try to find the 'filename' from current workind dir too.\n\tyamlAbsPath, err := filepath.Abs(filename)\n\tif err != nil {\n\t\treturn c, fmt.Errorf(\"parse yaml: %w\", err)\n\t}\n\n\t// read the raw contents of the file\n\tdata, err := os.ReadFile(yamlAbsPath)\n\tif err != nil {\n\t\treturn c, fmt.Errorf(\"parse yaml: %w\", err)\n\t}\n\n\t// put the file's contents as yaml to the default configuration(c)\n\tif err := yaml.Unmarshal(data, &c); err != nil {\n\t\treturn c, fmt.Errorf(\"parse yaml: %w\", err)\n\t}\n\treturn c, nil\n}\n\n// YAML reads Configuration from a configuration.yml file.\n//\n// Accepts the absolute path of the cfg.yml.","sourceCodeStart":46,"sourceCodeEnd":82,"githubUrl":"https://github.com/kataras/iris/blob/7bedaf55a0b64bbb2248a5845a2c60d81a30996a/configuration.go#L46-L82","documentation":"iris.parseYAML (configuration.go:64) wraps any error from filepath.Abs while resolving the configuration YAML path. The \"parse yaml: %w\" prefix is applied to all three failure stages (path resolution, file read, YAML unmarshal), so this instance specifically means the absolute-path resolution of the given filename failed — rare, and typically only when the path is malformed or the OS call fails. The error is returned (and typically panics) from iris.YAML or createGlobalConfiguration.","triggerScenarios":"Calling iris.YAML(\"myconfig.yml\") or running with iris.WithGlobalConfiguration where filepath.Abs(filename) returns an error — e.g. an invalid path argument. Note: a non-existent file does NOT produce this variant; it produces the os.ReadFile variant (see error 54).","commonSituations":"Passing an empty or otherwise invalid path string to iris.YAML; unusual OS-level path errors. In practice this is the least common of the three \"parse yaml\" failures, since Abs rarely fails on Linux/Windows/macOS.","solutions":["Inspect the wrapped (%w) cause in the error message — it names the actual underlying failure.","Verify the filename argument passed to iris.YAML is a non-empty, well-formed path.","Pre-resolve the path yourself with filepath.Abs/ExecDir and pass the absolute path.","If the real problem is a missing file, create the file or switch to the default configuration (don't call YAML at all — DefaultConfiguration is used implicitly)."],"exampleFix":"// before\nconf := iris.YAML(\"\") // empty path\n\n// after\nconf := iris.YAML(\"/etc/myapp/iris.yml\") // explicit absolute path","handlingStrategy":"try-catch","validationCode":"// filepath.Abs rarely fails, but guard the input:\nfunc safeYAMLPath(filename string) (string, error) {\n    if strings.TrimSpace(filename) == \"\" {\n        return \"\", errors.New(\"empty iris config filename\")\n    }\n    return filepath.Abs(filename)\n}","typeGuard":null,"tryCatchPattern":"// iris.YAML panics on error, so recover at startup:\nfunc loadIrisConfig(path string) (conf iris.Configuration) {\n    defer func() {\n        if r := recover(); r != nil {\n            log.Printf(\"iris yaml config failed (%v), using defaults\", r)\n            conf = iris.DefaultConfiguration()\n        }\n    }()\n    return iris.YAML(path)\n}","preventionTips":["Never pass empty or user-supplied unvalidated strings as the config path.","Pre-resolve and validate the path with filepath.Abs + os.Stat before calling iris.YAML.","Prefer absolute paths from a config directory constant over relative paths.","Distinguish this rare Abs failure from the common missing-file case by reading the wrapped error text."],"tags":["go","configuration","yaml","path-resolution"],"backgroundTag":"config-file-load-failed","analyzedSha":"7bedaf55a0b64bbb2248a5845a2c60d81a30996a","analyzedAt":"2026-08-30T20:38:16.250Z","schemaVersion":2},"datasetVersion":"2026-08-30T23:17:21.991Z"}