{"record":{"id":"0f1bde9a50ada144","repo":"paperclipai/paperclip","slug":"codex-history-read-failed","errorCode":"codex_history_read_failed","errorMessage":"codex_history_read_failed: ${method} requires supported paginated history; ${String(error)}","messagePattern":"codex_history_read_failed: (.+?) requires supported paginated history; (.+?)","errorType":"error_code","errorClass":"HarnessReconciliationError","httpStatus":null,"severity":"error","filePath":"packages/paperclip-runner/src/drivers/codex/codex-history.ts","lineNumber":26,"sourceCode":"async function pages(\n  transport: Requester,\n  method: \"thread/turns/list\" | \"thread/items/list\",\n  params: Record<string, unknown>,\n  identity: (value: Record<string, unknown>) => string,\n): Promise<Record<string, unknown>[]> {\n  const values = new Map<string, Record<string, unknown>>();\n  const cursors = new Set<string>();\n  let cursor: string | undefined;\n  for (let page = 0; page < 10_000; page += 1) {\n    let response: Record<string, unknown>;\n    try {\n      response = await transport.request(method, {\n        ...params,\n        limit: 100,\n        ...(cursor ? { cursor } : {}),\n      });\n    } catch (error) {\n      throw new HarnessReconciliationError(\n        `codex_history_read_failed: ${method} requires supported paginated history; ${String(error)}`,\n      );\n    }\n    if (!Array.isArray(response.data))\n      throw new HarnessReconciliationError(\n        `codex_history_incomplete: ${method} omitted data`,\n      );\n    for (const raw of response.data) {\n      const value = record(raw);\n      const id = identity(value);\n      if (!id)\n        throw new HarnessReconciliationError(\n          `codex_history_incomplete: ${method} omitted an identity`,\n        );\n      // Later pages can repeat the cursor anchor with its newly completed state.\n      values.set(id, value);\n    }\n    const next = response.nextCursor;","sourceCodeStart":8,"sourceCodeEnd":44,"githubUrl":"https://github.com/paperclipai/paperclip/blob/01ad8584922b5d85292b1723cae71fa0d9b07a19/packages/paperclip-runner/src/drivers/codex/codex-history.ts#L8-L44","documentation":"pages() wraps any error thrown by the paginated history RPC (thread/turns/list or thread/items/list) in a HarnessReconciliationError with code codex_history_read_failed. The library treats a failed history read as fatal for reconciliation because a partial or unsupported provider read must never be evidence that work is idle.","triggerScenarios":"transport.request for thread/turns/list or thread/items/list rejects: transport disconnected, JSON-RPC method unsupported by the app-server version, timeout, or malformed request params.","commonSituations":"Older Codex app-server builds that do not implement paginated history methods; the app-server process crashed mid-reconciliation; network/stdio transport failure between runner and provider.","solutions":["Read the underlying error after 'requires supported paginated history;' to identify the transport failure and fix that root cause (restart app-server, reconnect transport).","Upgrade the Codex app-server to a version that implements thread/turns/list and thread/items/list with cursor pagination.","Retry reconciliation after confirming the app-server is healthy (curl the health endpoint or check the process).","Do not swallow this error: recovery logic depends on failing closed when history cannot be read."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"const healthy = await isAppServerReachable(transport); if (!healthy) throw new Error('codex app-server unreachable before history read');","typeGuard":"function isHistoryReadFailed(e: unknown): e is HarnessReconciliationError { return e instanceof HarnessReconciliationError && e.message.startsWith('codex_history_read_failed'); }","tryCatchPattern":"try { const turns = await readCodexTurnMetadata(transport, threadId); } catch (e) { if (isHistoryReadFailed(e)) { log(e.message); await restartAppServerAndRetry(); } else throw e; }","preventionTips":["Confirm the app-server version supports thread/turns/list and thread/items/list before recovery","Monitor app-server process health before reconciliation runs","Include bounded retry with backoff around history reads","Never treat a failed history read as an empty history"],"tags":["codex","history","pagination","reconciliation"],"backgroundTag":"upstream-api-error","analyzedSha":"01ad8584922b5d85292b1723cae71fa0d9b07a19","analyzedAt":"2026-09-10T03:14:50.855Z","contentChangedAt":"2026-09-10T03:14:50.855Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}