{"record":{"id":"709baf267d7cc5ab","repo":"jackwener/OpenCLI","slug":"failed-to-parse-settings-json-e-message-709baf","errorCode":null,"errorMessage":"Failed to parse settings.json: ${e.message}","messagePattern":"Failed to parse settings\\.json: (.+?)","errorType":"exception","errorClass":"CommandExecutionError","httpStatus":null,"severity":"error","filePath":"clis/trae-solo/settings.js","lineNumber":43,"sourceCode":"    domain: 'localhost',\n    strategy: Strategy.LOCAL,\n    browser: false,\n    args: [],\n    columns: ['Field', 'Value'],\n    func: async () => {\n        if (!fs.existsSync(TRAE_SETTINGS_JSON)) {\n            throw new EmptyResultError('trae-solo settings-read', `settings.json not found: ${TRAE_SETTINGS_JSON}`);\n        }\n        const raw = fs.readFileSync(TRAE_SETTINGS_JSON, 'utf-8');\n        // Strip JSONC: line comments + block comments + trailing commas.\n        const stripped = raw\n            .replace(/\\/\\*[\\s\\S]*?\\*\\//g, '')\n            .replace(/^\\s*\\/\\/.*$/gm, '')\n            .replace(/([^:\"])\\/\\/.*$/gm, '$1')\n            .replace(/,(\\s*[}\\]])/g, '$1');\n        let obj;\n        try { obj = JSON.parse(stripped); } catch (e) {\n            throw new CommandExecutionError(`Failed to parse settings.json: ${e.message}`, '');\n        }\n        const rows = [];\n        for (const [k, v] of Object.entries(obj)) {\n            rows.push({ Field: k, Value: typeof v === 'object' ? JSON.stringify(v) : String(v) });\n        }\n        if (!rows.length) {\n            throw new EmptyResultError('trae-solo settings-read', 'settings.json is empty (or contains only defaults).');\n        }\n        return rows;\n    },\n});\n","sourceCodeStart":25,"sourceCodeEnd":55,"githubUrl":"https://github.com/jackwener/OpenCLI/blob/49907e53dc3ade5c223ff0c4c2c2785687cec4e6/clis/trae-solo/settings.js#L25-L55","documentation":"Thrown when settings.json content, after stripping JSON comments and trailing commas, still fails JSON.parse. The library pre-cleans the file (removing /* */ and // comments, trailing commas) but cannot repair malformed JSON, so it wraps the parser message in a CommandExecutionError.","triggerScenarios":"Running the trae-solo settings-read command when ~/.trae/settings.json (or the configured settings file) contains malformed JSON — e.g. an unquoted key, a missing value, a stray comment the regex stripper mangles (like a '//' inside a URL value), or truncated content.","commonSituations":"Hand-edited settings files; editor auto-saves mid-write; URL values like 'https://x' hit by the // stripping regex; copy-pasted settings with smart quotes; a file written by an older trae version with a schema the stripper corrupts.","solutions":["Open the settings file and validate it with JSON.parse or a linter; fix the syntax error named in the message.","Check whether a '//' inside a string value (e.g. a URL) was stripped; wrap such values properly and re-check.","Restore the file from backup or delete it so trae regenerates defaults.","If the file is fine natively, remember this parser is JSONC-style: ensure the file only uses comments/trailing commas the stripper supports."],"exampleFix":"// before (settings.json)\n{ \"endpoint\": \"https://api.example.com\", // comment\n// after\n{ \"endpoint\": \"https://api.example.com\" }","handlingStrategy":"try-catch","validationCode":"const fs = require('fs');\nfunction validateSettingsJson(p) {\n  const raw = fs.readFileSync(p, 'utf-8');\n  const stripped = raw.replace(/\\/\\*[\\s\\S]*?\\*\\//g, '').replace(/^\\s*\\/\\/.*$/gm, '').replace(/([^:\"])\\/\\/.*$/gm, '$1').replace(/,(\\s*[}\\]])/g, '$1');\n  try { JSON.parse(stripped); return true; } catch { return false; }\n}","typeGuard":"function isParsableJson(text) {\n  try { JSON.parse(text); return true; } catch { return false; }\n}","tryCatchPattern":"try {\n  const rows = await settingsRead();\n} catch (e) {\n  if (e instanceof CommandExecutionError && /Failed to parse settings\\.json/.test(e.message)) {\n    // back up the file and repair or restore defaults\n  } else throw e;\n}","preventionTips":["Validate settings.json with a JSON/JSONC linter before saving.","Never put unescaped // sequences (URLs) where the comment stripper can reach them.","Keep backups or version-control the settings file.","Prefer editing settings through the app rather than by hand."],"tags":["json","parsing","config"],"backgroundTag":"json-parse-failed","analyzedSha":"49907e53dc3ade5c223ff0c4c2c2785687cec4e6","analyzedAt":"2026-08-29T08:14:47.543Z","schemaVersion":2},"datasetVersion":"2026-08-29T12:17:43.993Z"}