exo-explore/exo · error · HTTPException

Invalid task ID: {task_id}

Error message

Invalid task ID: {task_id}

What it means

Error "Invalid task ID: {task_id}" thrown in exo-explore/exo.

Source

Thrown at src/exo/api/main.py:2089

        await self._send_download(command)
        return DeleteDownloadResponse(command_id=command.command_id)

    async def cancel_download(
        self,
        payload: CancelDownloadParams,
    ) -> CancelDownloadResponse:
        command = CancelDownload(
            target_node_id=payload.target_node_id,
            model_id=payload.model_id,
        )
        await self._send_download(command)
        return CancelDownloadResponse(command_id=command.command_id)

    @staticmethod
    def _get_trace_path(task_id: str) -> Path:
        trace_path = EXO_TRACING_CACHE_DIR / f"trace_{task_id}.json"
        if not trace_path.resolve().is_relative_to(EXO_TRACING_CACHE_DIR.resolve()):
            raise HTTPException(status_code=400, detail=f"Invalid task ID: {task_id}")
        return trace_path

    async def list_traces(self) -> TraceListResponse:
        traces: list[TraceListItem] = []

        for trace_file in sorted(
            EXO_TRACING_CACHE_DIR.glob("trace_*.json"),
            key=lambda p: p.stat().st_mtime,
            reverse=True,
        ):
            # Extract task_id from filename (trace_{task_id}.json)
            task_id = trace_file.stem.removeprefix("trace_")
            stat = trace_file.stat()
            created_at = datetime.fromtimestamp(
                stat.st_mtime, tz=timezone.utc
            ).isoformat()
            traces.append(
                TraceListItem(

View on GitHub (pinned to 21a54c5ea0)

When it happens

Trigger: Thrown at src/exo/api/main.py:2089 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of exo-explore/exo@21a54c5ea0 (2026-08-26). Data as JSON: /api/errors/10d4312c3156dc53. Report an issue: GitHub.