{"record":{"id":"2cae1091141acf08","repo":"calesthio/OpenMontage","slug":"kling-classic-task-task-id-timed-out-after-time","errorCode":null,"errorMessage":"Kling Classic task {task_id} timed out after {timeout_seconds}s","messagePattern":"Kling Classic task (.+?) timed out after (.+?)s","errorType":"exception","errorClass":"TimeoutError","httpStatus":null,"severity":"error","filePath":"tools/_kling/client.py","lineNumber":101,"sourceCode":"    ) -> list[dict[str, Any]]:\n        deadline = time.time() + timeout_seconds\n        while time.time() < deadline:\n            data = self.get(f\"{path.rstrip('/')}/{task_id}\")\n            payload = data.get(\"data\") or {}\n            status = payload.get(\"task_status\") or payload.get(\"status\")\n            if status == CLASSIC_SUCCESS_STATUS:\n                task_result = payload.get(\"task_result\") or {}\n                outputs = task_result.get(result_key) or []\n                if not isinstance(outputs, list):\n                    raise KlingAPIError(f\"Kling Classic result path data.task_result.{result_key} is not a list\")\n                return outputs\n            if status == CLASSIC_FAILURE_STATUS:\n                message = payload.get(\"task_status_msg\") or payload.get(\"message\") or \"Kling Classic task failed\"\n                raise KlingAPIError(str(message), code=payload.get(\"task_status\"), response=data)\n            if status not in CLASSIC_PENDING_STATUSES:\n                raise KlingAPIError(f\"Unexpected Kling Classic task status {status!r}\", response=data)\n            time.sleep(min(poll_interval, max(0.0, deadline - time.time())))\n        raise TimeoutError(f\"Kling Classic task {task_id} timed out after {timeout_seconds}s\")\n\n    def create_turbo(self, path: str, payload: dict[str, Any]) -> str:\n        data = self.post(path, payload)\n        task_id = ((data.get(\"data\") or {}).get(\"id\"))\n        if not task_id:\n            raise KlingAPIError(f\"Kling Turbo create response missing data.id: {data}\")\n        return str(task_id)\n\n    def poll_turbo(\n        self,\n        task_id: str,\n        timeout_seconds: int = 900,\n        poll_interval: float = 5.0,\n    ) -> list[dict[str, Any]]:\n        deadline = time.time() + timeout_seconds\n        while time.time() < deadline:\n            data = self.get(\"/tasks\", params={\"task_ids\": task_id})\n            records = data.get(\"data\") or []","sourceCodeStart":83,"sourceCodeEnd":119,"githubUrl":"https://github.com/calesthio/OpenMontage/blob/95e1c3d0ab93482159818560f6a8c8e866b9139f/tools/_kling/client.py#L83-L119","documentation":"Raised as a TimeoutError when the poll_classic() loop runs past its deadline (timeout_seconds, defaulting per the caller) while the task never reaches a terminal status. The sleep at the end of each iteration is capped so the loop never sleeps past the deadline, making the timeout accurate to roughly one poll interval.","triggerScenarios":"A Kling Classic task stays in a pending status longer than timeout_seconds (e.g. queue congestion during peak hours, very long video generations); the task is genuinely stuck server-side; timeout_seconds was set too low by the caller relative to realistic generation time for the model (premium 1080p generations can take several minutes).","commonSituations":"Default timeout too short for high-resolution or long-duration generations; Kling queue backlogs during promotional periods; polling a task created with a different account whose status never resolves visible.","solutions":["Increase timeout_seconds (e.g. 900–1800) for long generations or premium models","Manually GET the task endpoint with the task_id to check whether it eventually completes, and resume polling instead of resubmitting (avoid double billing)","Verify the task_id still exists — a deleted/expired task can pend forever from the client's view","Wrap in retry logic that resumes polling the same task_id rather than creating a new task"],"exampleFix":"// before\noutputs = client.poll_classic(path, task_id, 'videos', timeout_seconds=300)\n\n// after\noutputs = client.poll_classic(path, task_id, 'videos', timeout_seconds=1800, poll_interval=10.0)","handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":"try:\n    outputs = client.poll_classic(path, task_id, 'videos', timeout_seconds=900)\nexcept TimeoutError:\n    # resume polling the SAME task instead of resubmitting (avoids double billing)\n    outputs = client.poll_classic(path, task_id, 'videos', timeout_seconds=1800, poll_interval=15.0)","preventionTips":["Size timeout_seconds to the model's realistic p95 generation time, not its best case","Persist task_id at creation so a timeout can be resumed later from storage","Increase poll_interval for long jobs to reduce request volume","Distinguish TimeoutError from KlingAPIError in callers — they need different responses"],"tags":["kling","api","polling","timeout","async-task"],"backgroundTag":null,"analyzedSha":"95e1c3d0ab93482159818560f6a8c8e866b9139f","analyzedAt":"2026-08-15T06:31:20.014Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}