{"record":{"id":"757c7f268b51d8f3","repo":"openai/codex-plugin-cc","slug":"codex-reported-that-the-claude-import-completed-b","errorCode":null,"errorMessage":"Codex reported that the Claude import completed, but did not record an imported thread.${stderr ? `\\n${stderr}` : \" Check the Codex app-server logs for the underlying import error.\"}","messagePattern":"Codex reported that the Claude import completed, but did not record an imported thread\\.(.+?)` : \" Check the Codex app-server logs for the underlying import error\\.\"\\}","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"plugins/codex/scripts/lib/codex.mjs","lineNumber":1083,"sourceCode":"  }\n\n  return withDirectAppServer(cwd, async (client) => {\n    emitProgress(options.onProgress, \"Importing Claude session into Codex.\", \"transferring\");\n    try {\n      await requestExternalAgentSessionImport(client, externalAgentSessionMigration(options.sourcePath, cwd));\n    } catch (error) {\n      if (error?.rpcCode === -32601) {\n        throw new Error(\n          \"This Codex version does not support Claude session transfer. Update Codex with `npm install -g @openai/codex@latest`, then retry.\",\n          { cause: error }\n        );\n      }\n      throw error;\n    }\n    const threadId = importedThreadIdForSource(options.sourcePath);\n    if (!threadId) {\n      const stderr = cleanCodexStderr(client.stderr);\n      throw new Error(\n        `Codex reported that the Claude import completed, but did not record an imported thread.${stderr ? `\\n${stderr}` : \" Check the Codex app-server logs for the underlying import error.\"}`\n      );\n    }\n    emitProgress(options.onProgress, `Claude session imported (${threadId}).`, \"completed\", { threadId });\n    return {\n      threadId,\n      stderr: cleanCodexStderr(client.stderr)\n    };\n  });\n}\n\nexport async function runAppServerTurn(cwd, options = {}) {\n  const availability = getCodexAvailability(cwd);\n  if (!availability.available) {\n    throw new Error(\"Codex CLI is not installed or is missing required runtime support. Install it with `npm install -g @openai/codex`, then rerun `/codex:setup`.\");\n  }\n\n  return withAppServer(cwd, async (client) => {","sourceCodeStart":1065,"sourceCodeEnd":1101,"githubUrl":"https://github.com/openai/codex-plugin-cc/blob/db52e28f4d9ded852ab3942cea316258ae4ef346/plugins/codex/scripts/lib/codex.mjs#L1065-L1101","documentation":"Thrown by importExternalAgentSession when the import RPC reported completion (the EXTERNAL_AGENT_IMPORT_COMPLETED notification fired) but importedThreadIdForSource(sourcePath) returned null. That helper reads ~/.codex/external_agent_session_imports.json and matches a record by realpath + content sha256 + imported_thread_id; no match means the app-server acknowledged completion but did not (or not yet) persist a usable thread id.","triggerScenarios":"The 'externalAgentConfig/import' notification arrives, but the ledger file is absent, has no records array, or none of the records match the canonical source path and content hash. Also possible if the app-server logged an internal import error to stderr instead of writing the ledger.","commonSituations":"Codex app-server bug or partial failure where the session is created internally but the ledger write is skipped. File content changed between the realpath/sha256 computation and ledger matching (race). Permissions prevent writing ~/.codex/external_agent_session_imports.json. An app-server version mismatch in the ledger schema.","solutions":["Inspect the appended stderr (cleanCodexStderr output) included in the message for the underlying import error.","Check the Codex app-server logs in the session dir for the import failure detail.","Retry after upgrading Codex to a version known to write the import ledger reliably.","Verify read permission on ~/.codex/external_agent_session_imports.json and that its records array contains an entry matching the source path and content hash.","If the transcript was modified mid-import, re-run with a stable source file."],"exampleFix":"// before\nawait importExternalAgentSession(cwd, { sourcePath }) // throws: no recorded imported thread\n\n// after (diagnostic)\n//   cat ~/.codex/external_agent_session_imports.json  # check records\n//   inspect session-dir app-server logs for import error\n//   npm install -g @openai/codex@latest  # then retry\nawait importExternalAgentSession(cwd, { sourcePath })","handlingStrategy":"try-catch","validationCode":"import fs from 'node:fs';\nimport path from 'node:path';\n\nfunction findImportedThreadId(sourcePath, codexHome) {\n  const ledgerPath = path.join(codexHome, 'external_agent_session_imports.json');\n  if (!fs.existsSync(ledgerPath)) return null;\n  const ledger = JSON.parse(fs.readFileSync(ledgerPath, 'utf8'));\n  const canonical = fs.realpathSync(sourcePath);\n  // caller can pre-check whether a matching record exists\n  return (ledger.records ?? []).some(r => r.source_path === canonical) ?? false;\n}","typeGuard":"null","tryCatchPattern":"try {\n  await importExternalAgentSession(cwd, { sourcePath });\n} catch (error) {\n  if (/did not record an imported thread/.test(error.message)) {\n    // read ~/.codex/external_agent_session_imports.json and app-server logs,\n    // surface stderr captured in error.message, then retry or report\n  } else throw error;\n}","preventionTips":["Treat the appended stderr in the message as the primary diagnostic.","Ensure ~/.codex is writable by the app-server process.","Avoid modifying the transcript while an import is in flight (sha256 must stay stable).","Upgrade Codex if the ledger write is unreliable in your installed version."],"tags":["codex","claude-transfer","state","diagnostics"],"backgroundTag":null,"analyzedSha":"db52e28f4d9ded852ab3942cea316258ae4ef346","analyzedAt":"2026-08-13T05:13:20.855Z","schemaVersion":2},"datasetVersion":"2026-08-13T09:17:06.757Z"}