{"record":{"id":"e2aab1e261c796e2","repo":"owasp-amass/amass","slug":"error-mapping-configuration-settings-to-internal-v-e2aab1","errorCode":null,"errorMessage":"error mapping configuration settings to internal values: %v","messagePattern":"error mapping configuration settings to internal values: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"config/config.go","lineNumber":280,"sourceCode":"\t\t_ = c.LoadDatabaseEnvSettings()\n\t\t_ = c.LoadEngineEnvSettings()\n\t\treturn fmt.Errorf(\"failed to get absolute path of the configuration file: %v\", err)\n\t}\n\tc.Filepath = absolutePath\n\n\t// Open the configuration file\n\tdata, err := os.ReadFile(c.Filepath)\n\tif err != nil {\n\t\t_ = c.LoadDatabaseEnvSettings()\n\t\t_ = c.LoadEngineEnvSettings()\n\t\treturn fmt.Errorf(\"failed to load the main configuration file: %v\", err)\n\t}\n\n\terr = yaml.Unmarshal(data, c)\n\tif err != nil {\n\t\t_ = c.LoadDatabaseEnvSettings()\n\t\t_ = c.LoadEngineEnvSettings()\n\t\treturn fmt.Errorf(\"error mapping configuration settings to internal values: %v\", err)\n\t}\n\n\tif err := c.loadSeedandScopeSettings(); err != nil {\n\t\treturn err\n\t}\n\n\tloads := []func(cfg *Config) error{\n\t\tc.loadAlterationSettings,\n\t\tc.loadBruteForceSettings,\n\t\tc.loadDatabaseSettings,\n\t\tc.loadDataSourceSettings,\n\t\tc.loadResolverSettings,\n\t\tc.loadTransformSettings,\n\t\tc.loadEngineSettings,\n\t\tc.loadActiveSettings,\n\t\tc.loadRigidSettings,\n\t}\n\tfor _, load := range loads {","sourceCodeStart":262,"sourceCodeEnd":298,"githubUrl":"https://github.com/owasp-amass/amass/blob/79299dce87b0085db0f2f4ef3e9c52cccb49f514/config/config.go#L262-L298","documentation":"After reading the file, LoadSettings unmarshals the YAML into the Config struct with yaml.Unmarshal. If the document is not valid YAML or contains fields incompatible with the struct, it returns 'error mapping configuration settings to internal values'. Env-based database/engine settings are still applied before returning.","triggerScenarios":"LoadSettings called with a config file containing invalid YAML syntax (bad indentation, tabs, unclosed quotes), duplicate keys rejected by the parser, or a scalar where the struct expects a map/list.","commonSituations":"Hand-edited YAML with mixed tabs/spaces; generated config where interpolation produced invalid YAML; pasting JSON-style content with unquoted values; upgrading between versions where a field's type changed.","solutions":["Validate the file with a YAML linter: `yamllint config.yaml` or an online parser, and fix the reported line.","Replace tab characters with spaces — tabs are illegal YAML indentation.","Check that each key's value type matches the expected structure (maps vs lists vs scalars).","Bisect by loading the file with a minimal yaml.Unmarshal in a scratch program to get the precise parser error."],"exampleFix":"// before (config.yaml)\nscopes:\n\t- example.com  # tab indentation\n// after\nscopes:\n  - example.com","handlingStrategy":"validation","validationCode":"raw, err := os.ReadFile(cfgPath)\nif err != nil { return err }\nvar probe map[string]any\nif err := yaml.Unmarshal(raw, &probe); err != nil {\n    return fmt.Errorf(\"config YAML invalid: %w\", err)\n}","typeGuard":null,"tryCatchPattern":"if err := cfg.LoadSettings(path); err != nil {\n    if strings.Contains(err.Error(), \"error mapping configuration settings to internal values\") {\n        // run the raw YAML through yaml.Unmarshal directly to get the exact line/column\n    }\n    return err\n}","preventionTips":["Lint configs with yamllint or a YAML parser in CI","Use spaces, never tabs, for YAML indentation","Quote values that could parse as numbers/booleans","Round-trip generated configs through a YAML parser before deploy"],"tags":["config","yaml","parse-error","validation"],"backgroundTag":"yaml-parse-error","analyzedSha":"79299dce87b0085db0f2f4ef3e9c52cccb49f514","analyzedAt":"2026-09-06T08:22:48.198Z","contentChangedAt":"2026-09-06T08:22:48.198Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}