{"record":{"id":"e90e7260846e5116","repo":"affaan-m/ECC","slug":"codex-returned-no-final-response-error-message","errorCode":null,"errorMessage":"Codex returned no final response: ${error.message}","messagePattern":"Codex returned no final response: (.+?)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"skills/council-multi-model/scripts/review-with-codex.js","lineNumber":226,"sourceCode":"      maxBuffer: 1024 * 1024,\n      windowsHide: true,\n    });\n\n    if (result.error) {\n      if (result.error.code === 'ETIMEDOUT') throw new Error('Codex review timed out');\n      if (result.error.code === 'ENOENT') throw new Error('Codex CLI is not installed');\n      throw new Error(`Codex invocation failed: ${result.error.message}`);\n    }\n    if (result.status !== 0) {\n      const detail = (result.stderr || '').trim().split('\\n').slice(-1)[0];\n      throw new Error(`Codex review failed${detail ? `: ${detail}` : ''}`);\n    }\n\n    let text;\n    try {\n      text = readFile(outputFile, 'utf8').trim();\n    } catch (error) {\n      throw new Error(`Codex returned no final response: ${error.message}`);\n    }\n    if (!text) throw new Error('Codex returned an empty final response');\n    return `${providerLabel(options.hostProvider)}\\n${text}`;\n  } finally {\n    remove(tempDir, { recursive: true, force: true });\n  }\n}\n\nfunction runStdinReview(options, dependencies = {}) {\n  const stdin = dependencies.stdin || process.stdin;\n  const stdout = dependencies.stdout || process.stdout;\n  const stderr = dependencies.stderr || process.stderr;\n  const review = dependencies.runReview || runReview;\n  const setExitCode = dependencies.setExitCode || ((code) => { process.exitCode = code; });\n  const chunks = [];\n  let promptBytes = 0;\n  let promptOverflow = false;\n  stdin.setEncoding('utf8');","sourceCodeStart":208,"sourceCodeEnd":244,"githubUrl":"https://github.com/affaan-m/ECC/blob/8321021c54d670126ce3b2969d5deb880b4b0c2a/skills/council-multi-model/scripts/review-with-codex.js#L208-L244","documentation":"After a successful Codex exit, the library reads the final response from an output file Codex was instructed to write in the temp directory. If reading that file fails (it does not exist, is unreadable, or was already cleaned up), the underlying fs error is wrapped as 'Codex returned no final response: <error.message>'.","triggerScenarios":"The codex CLI exits 0 but never created outputFile — e.g. the CLI version ignores the output-file flag, wrote it to a different location, or crashed after exit-code reporting — so readFile(outputFile) throws ENOENT/EACCES.","commonSituations":"Codex CLI upgraded/downgraded and changed its output-file behavior; wrong working directory assumptions; read-only or oddly-permissioned temp dir; antivirus quarantining the temp output file.","solutions":["Check the wrapped error.message: ENOENT means Codex never wrote the file; EACCES means permissions.","Confirm the installed Codex CLI version supports the output-file invocation this script uses; align versions (`npm install -g @openai/codex@<pinned>`).","Run Codex manually with the same flags to see where it actually writes the response.","Ensure TMPDIR points to a writable directory if the temp location is customized.","Update the script if a newer Codex version changed its output contract."],"exampleFix":"// before\n$ codex --old-flag out.txt   # CLI silently ignores output file\n// after\nnpm install -g @openai/codex@2   # version matching script's output-file contract\n$ node review-with-codex.js   # file now created and read successfully","handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":"try {\n  return runReview(opts);\n} catch (e) {\n  if (e.message.startsWith('Codex returned no final response')) {\n    // fall back to a different council provider or retry with a pinned CLI version\n    return otherProvider.review(opts);\n  }\n  throw e;\n}","preventionTips":["Pin the Codex CLI version; output-file behavior changes across releases are the top cause.","Smoke-test the output-file contract with a trivial prompt after any CLI upgrade.","Ensure TMPDIR is writable and not aggressively cleaned by other tooling."],"tags":["file-not-found","cli","output","version-mismatch"],"backgroundTag":"file-read-failed","analyzedSha":"8321021c54d670126ce3b2969d5deb880b4b0c2a","analyzedAt":"2026-09-16T10:08:13.343Z","contentChangedAt":"2026-09-16T10:08:13.343Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}