{"record":{"id":"4a68ed8c163d9897","repo":"HKUDS/nanobot","slug":"the-callback-url-is-missing-oauth-state-copy-the","errorCode":null,"errorMessage":"The callback URL is missing OAuth state. Copy the entire browser address.","messagePattern":"The callback URL is missing OAuth state\\. Copy the entire browser address\\.","errorType":"validation","errorClass":"OpenAICodexOAuthInputError","httpStatus":null,"severity":"error","filePath":"nanobot/providers/openai_codex_oauth.py","lineNumber":238,"sourceCode":"            \"The callback URL is invalid. Copy the full URL from your browser's address bar.\"\n        ) from exc\n    if (\n        parsed.scheme != _CALLBACK.scheme\n        or parsed.hostname not in _CALLBACK_HOSTS\n        or port != _CALLBACK.port\n        or parsed.path != _CALLBACK.path\n        or parsed.username is not None\n        or parsed.password is not None\n    ):\n        raise OpenAICodexOAuthInputError(\n            f\"Paste the full callback URL from your browser ({OPENAI_CODEX_PROVIDER.redirect_uri}?...).\"\n        )\n    params = parse_qs(parsed.query)\n    code = _first(params, \"code\")\n    state = _first(params, \"state\")\n    error = _first(params, \"error\")\n    if not state:\n        raise OpenAICodexOAuthInputError(\n            \"The callback URL is missing OAuth state. Copy the entire browser address.\"\n        )\n    if not code and not error:\n        raise OpenAICodexOAuthInputError(\n            \"The callback URL has no authorization result. Finish signing in, then copy it again.\"\n        )\n    return state, error is not None\n\n\ndef _safe_login_error(exc: Exception) -> OpenAICodexOAuthError:\n    if isinstance(exc, OpenAICodexOAuthError):\n        return exc\n    message = str(exc).strip()\n    if message == \"State validation failed.\":\n        return OpenAICodexOAuthError(\n            \"OpenAI Codex sign-in failed because the OAuth state did not match.\"\n        )\n    if message == \"Authorization code not found.\":","sourceCodeStart":220,"sourceCodeEnd":256,"githubUrl":"https://github.com/HKUDS/nanobot/blob/42f37dc4c0e409eac7818a82d165c5f2757bc075/nanobot/providers/openai_codex_oauth.py#L220-L256","documentation":"Error \"The callback URL is missing OAuth state. Copy the entire browser address.\" thrown in HKUDS/nanobot.","triggerScenarios":"Thrown at nanobot/providers/openai_codex_oauth.py:238 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"42f37dc4c0e409eac7818a82d165c5f2757bc075","analyzedAt":"2026-08-26T00:18:52.276Z","schemaVersion":2},"datasetVersion":"2026-08-26T04:18:47.238Z"}