{"record":{"id":"afd94df6a23e1342","repo":"Hmbown/CodeWhale","slug":"failed-to-parse-config-file-file-contents-were","errorCode":null,"errorMessage":"Failed to parse config file {}; file contents were omitted","messagePattern":"Failed to parse config file (.+?); file contents were omitted","errorType":"validation","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"crates/tui/src/config.rs","lineNumber":4274,"sourceCode":"        Self::load_with_environment_policy(\n            path,\n            profile,\n            ConfigEnvironmentPolicy::StructuralDiagnostic,\n        )\n    }\n\n    fn load_with_environment_policy(\n        path: Option<PathBuf>,\n        profile: Option<&str>,\n        environment_policy: ConfigEnvironmentPolicy,\n    ) -> Result<Self> {\n        let path = resolve_load_config_path(path)?;\n        let mut config = if let Some(path) = path.as_ref() {\n            if path.exists() {\n                let contents = fs::read_to_string(path)\n                    .with_context(|| format!(\"Failed to read config file: {}\", path.display()))?;\n                let parsed: ConfigFile = toml::from_str(&contents).map_err(|_| {\n                    anyhow::anyhow!(\n                        \"Failed to parse config file {}; file contents were omitted\",\n                        codewhale_config::quote_os_path(path)\n                    )\n                })?;\n                if let Some(msg) = warn_on_misplaced_top_level_keys(&contents) {\n                    tracing::warn!(\"{msg}\");\n                }\n                apply_profile(parsed, profile)?\n            } else {\n                Config::default()\n            }\n        } else {\n            Config::default()\n        };\n\n        apply_env_overrides(&mut config, environment_policy);\n        apply_managed_overrides(&mut config)?;\n        apply_requirements(&mut config)?;","sourceCodeStart":4256,"sourceCodeEnd":4292,"githubUrl":"https://github.com/Hmbown/CodeWhale/blob/8880682c63083a91624de936797efa3ce9e498fd/crates/tui/src/config.rs#L4256-L4292","documentation":"Startup config load failed to parse the TOML file (crates/tui/src/config.rs:4274): fs::read_to_string succeeded but toml::from_str did not. As with the /network loader, the file contents are omitted from the message because the config may hold secrets. The misplaced-key warning path only runs on successful parses, so syntax must be fixed first.","triggerScenarios":"Unclosed strings/brackets, duplicate keys, or invalid value syntax in the main config file; merge-conflict markers left in place; smart quotes or a BOM inserted by an editor.","commonSituations":"Hand edits right before launch; git merges touching config.toml; syncing configs across OSes with different editors.","solutions":["Validate the file: python3 -c \"import tomllib,sys; tomllib.load(open(sys.argv[1],'rb'))\" <path> and fix the reported line","Search for duplicate table/key definitions - TOML forbids redefining them","Restore from backup or git history and reapply the change in one edit","After it parses, act on any 'misplaced top-level keys' warning that then appears"],"exampleFix":"# config.toml - before\n[providers.myhost]\napi_base = \"http://localhost:8000/v1\"\n[providers.myhost]          # duplicate table\ncontext_window = 128000\n\n# config.toml - after\n[providers.myhost]\napi_base = \"http://localhost:8000/v1\"\ncontext_window = 128000\n","handlingStrategy":"validation","validationCode":"// Dry-run parse in CI before shipping config\n#[test]\nfn config_parses() {\n    let raw = std::fs::read_to_string(\"config.toml\").unwrap();\n    toml::from_str::<toml::Value>(&raw).expect(\"config.toml must parse\");\n}","typeGuard":null,"tryCatchPattern":"// In loaders: never partially apply an unparseable config\nlet parsed = toml::from_str::<ConfigFile>(&raw).map_err(|e| anyhow!(\"aborting load: {e}\"))?;","preventionTips":["Keep config.toml under version control and lint it in CI","Apply merges to a copy, validate, then swap atomically","Fix parse errors before acting on any 'misplaced keys' advice - that check only runs after a successful parse"],"tags":["config","toml","startup","validation"],"backgroundTag":null,"analyzedSha":"8880682c63083a91624de936797efa3ce9e498fd","analyzedAt":"2026-08-16T11:31:27.956Z","schemaVersion":2},"datasetVersion":"2026-08-16T13:17:31.715Z"}