{"record":{"id":"bb34d66c696a4b0f","repo":"openai/codex","slug":"failed-to-serialize-default-config-e","errorCode":null,"errorMessage":"failed to serialize default config: {e}","messagePattern":"failed to serialize default config: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"codex-rs/core/src/config/mod.rs","lineNumber":1856,"sourceCode":"    pub async fn load_default_with_cli_overrides(\n        cli_overrides: Vec<(String, TomlValue)>,\n    ) -> std::io::Result<Self> {\n        let codex_home = find_codex_home()?;\n        Self::load_default_with_cli_overrides_for_codex_home(\n            codex_home.to_path_buf(),\n            cli_overrides,\n        )\n        .await\n    }\n\n    /// Load a default configuration for a specific Codex home without reading\n    /// user, project, or system config layers.\n    pub async fn load_default_with_cli_overrides_for_codex_home(\n        codex_home: PathBuf,\n        cli_overrides: Vec<(String, TomlValue)>,\n    ) -> std::io::Result<Self> {\n        let mut merged = toml::Value::try_from(ConfigToml::default()).map_err(|e| {\n            std::io::Error::new(\n                std::io::ErrorKind::InvalidData,\n                format!(\"failed to serialize default config: {e}\"),\n            )\n        })?;\n        let cli_layer = codex_config::build_cli_overrides_layer(&cli_overrides);\n        codex_config::merge_toml_values(&mut merged, &cli_layer);\n        let codex_home = AbsolutePathBuf::from_absolute_path_checked(codex_home)?;\n        let config_toml = deserialize_config_toml_with_base(merged, &codex_home)?;\n        Self::load_config_with_layer_stack(\n            LOCAL_FS.as_ref(),\n            config_toml,\n            ConfigOverrides::default(),\n            codex_home,\n            ConfigLayerStack::default(),\n        )\n        .await\n    }\n    /// This is a secondary way of creating [Config], which is appropriate when","sourceCodeStart":1838,"sourceCodeEnd":1874,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/core/src/config/mod.rs#L1838-L1874","documentation":"Error \"failed to serialize default config: {e}\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/core/src/config/mod.rs:1856 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Internal serialization failure of the default config; report it with the underlying error."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"339751715c64496cb86246bfb3935f40e309dd3d","analyzedAt":"2026-08-25T05:35:09.876Z","schemaVersion":2},"datasetVersion":"2026-08-25T06:17:31.827Z"}