{"record":{"id":"60f4e3c5a9a505b7","repo":"chenfei-wu/TaskMatrix","slug":"failed-to-execute-msg-s-request-data-s","errorCode":null,"errorMessage":"failed to execute, msg:%s, request data:%s","messagePattern":"failed to execute, msg:(.+?), request data:(.+?)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"LowCodeLLM/src/app.py","lineNumber":64,"sourceCode":"        return sub_workflow, 200\r\n    except Exception as e:\r\n        app.logger.error(\r\n            'failed to extend_workflow, msg:%s, request data:%s' % (str(e), request.json))\r\n        return {'errmsg': 'internal errors'}, 500\r\n\r\n@app.route('/api/execute', methods=['POST'])\r\n@cross_origin()\r\ndef execute():\r\n    try:\r\n        request_content = request.get_json()\r\n        task_prompt = request_content['task_prompt']\r\n        confirmed_workflow = request_content['confirmed_workflow']\r\n        curr_input = request_content['curr_input']\r\n        history = request_content['history']\r\n        response = llm.execute(task_prompt,confirmed_workflow, history, curr_input)\r\n        return response, 200\r\n    except Exception as e:\r\n        app.logger.error(\r\n            'failed to execute, msg:%s, request data:%s' % (str(e), request.json))\r\n        return {'errmsg': 'internal errors'}, 500\r\n","sourceCodeStart":46,"sourceCodeEnd":67,"githubUrl":"https://github.com/chenfei-wu/TaskMatrix/blob/4b7664f8d3a23804ac1b795d75a73efd162769f0/LowCodeLLM/src/app.py#L46-L67","documentation":"Flask error log from the /api/execute endpoint. Logged when the request body is missing task_prompt/confirmed_workflow/curr_input/history, or when llm.execute fails downstream (OpenAI API error in executingLLM).","triggerScenarios":"POST /api/execute missing any of 'task_prompt', 'confirmed_workflow', 'curr_input', 'history', sending history in a format that breaks message concatenation (e.g. plain strings instead of [{'role':...,'content':...}] dicts), or an OpenAI failure.","commonSituations":"Frontend serializes history as strings or omits it; OPENAIKEY unset; history entries lack 'role'/'content' keys causing errors when passed to openai.ChatCompletion.create.","solutions":["Check the logged msg:%s for the concrete exception (usually KeyError or an openai error).","Send all four fields as JSON; make history a list of {'role': 'user'|'assistant', 'content': str} objects.","Verify OpenAI env vars (OPENAIKEY, and Azure vars if USE_AZURE=true) in the server environment."],"exampleFix":"// before\n{\"task_prompt\":\"essay\",\"curr_input\":\"hi\"}\n// after\n{\"task_prompt\":\"essay\",\"confirmed_workflow\":[...],\"history\":[{\"role\":\"user\",\"content\":\"hi\"}],\"curr_input\":\"what next?\"}","handlingStrategy":"validation","validationCode":"assert all(k in body for k in ('task_prompt','confirmed_workflow','curr_input','history'))\nassert isinstance(body['history'], list) and all(set(m) >= {'role','content'} for m in body['history'])","typeGuard":"def is_valid_history(h) -> bool:\n    return isinstance(h, list) and all(\n        isinstance(m, dict) and m.get('role') in ('user','assistant','system')\n        and isinstance(m.get('content'), str) for m in h)","tryCatchPattern":"try: ... except requests.HTTPError: check server 'failed to execute' log line","preventionTips":["Keep history as role/content message dicts","Send Content-Type: application/json","Verify env vars before starting server"],"tags":["flask","http-500","request-parsing","openai","lowcodellm"],"backgroundTag":"http-500-internal-server-error","analyzedSha":"4b7664f8d3a23804ac1b795d75a73efd162769f0","analyzedAt":"2026-08-27T13:26:11.787Z","schemaVersion":2},"datasetVersion":"2026-08-27T19:17:21.184Z"}