{"record":{"id":"2d1ac1bdcf96a734","repo":"lfnovo/open-notebook","slug":"error-deleting-session-str-e","errorCode":null,"errorMessage":"Error deleting session: {str(e)}","messagePattern":"Error deleting session: (.+?)","errorType":"http","errorClass":"HTTPException","httpStatus":500,"severity":"error","filePath":"api/routers/chat.py","lineNumber":301,"sourceCode":"@router.delete(\"/chat/sessions/{session_id}\", response_model=SuccessResponse)\nasync def delete_session(session_id: str):\n    \"\"\"Delete a chat session.\"\"\"\n    try:\n        # Get session (normalizes the ID and 404s if missing)\n        _full_session_id, session = await get_session_or_404(session_id)\n\n        await session.delete()\n\n        return SuccessResponse(success=True, message=\"Session deleted successfully\")\n    except NotFoundError:\n        raise HTTPException(status_code=404, detail=\"Session not found\")\n    except HTTPException:\n        raise\n    except OpenNotebookError:\n        raise\n    except Exception as e:\n        logger.error(f\"Error deleting session: {str(e)}\")\n        raise HTTPException(status_code=500, detail=f\"Error deleting session: {str(e)}\")\n\n\n@router.post(\"/chat/execute\", response_model=ExecuteChatResponse)\nasync def execute_chat(request: ExecuteChatRequest):\n    \"\"\"Execute a chat request and get AI response.\"\"\"\n    try:\n        # Verify session exists (normalizes the ID and 404s if missing)\n        full_session_id, session = await get_session_or_404(request.session_id)\n\n        # Fetch notebook linked to this session\n        notebook_query = await repo_query(\n            \"SELECT out FROM refers_to WHERE in = $session_id\",\n            {\"session_id\": ensure_record_id(full_session_id)},\n        )\n        notebook = None\n        if notebook_query:\n            notebook = await Notebook.get(notebook_query[0][\"out\"])\n","sourceCodeStart":283,"sourceCodeEnd":319,"githubUrl":"https://github.com/lfnovo/open-notebook/blob/a7de90d38aaf18ee85fd661854d35c11e44613e2/api/routers/chat.py#L283-L319","documentation":"Generic 500 from DELETE /chat/sessions/{session_id} when deletion fails unexpectedly. Cause logged as 'Error deleting session: ...'.","triggerScenarios":"SurrealDB connection failure during delete, or record link/constraint errors preventing removal of the session row.","commonSituations":"DB outage, permission or namespace issues on the SurrealDB instance, orphaned references from other tables.","solutions":["Check the API log for the underlying exception","Verify SurrealDB is reachable and healthy","Retry after confirming the session exists; if it fails persistently, remove the row directly in SurrealDB"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":"catch (e) { if (e.status === 500) { await sleep(500); await deleteSession(id); } else throw e; }","preventionTips":["Verify DB connectivity before destructive ops","Check logs for constraint errors"],"tags":["http-500","internal-error","delete","surrealdb"],"backgroundTag":"unhandled-server-exception","analyzedSha":"a7de90d38aaf18ee85fd661854d35c11e44613e2","analyzedAt":"2026-08-27T02:39:58.166Z","schemaVersion":2},"datasetVersion":"2026-08-27T03:17:27.898Z"}