{
  "id": "python/sqlalchemy-session-rollback-error",
  "signature": "sqlalchemy.exc.InvalidRequestError: This session is in 'rolled back' state. No operations are allowed.",
  "signature_zh": "sqlalchemy.exc.InvalidRequestError：此会话处于'已回滚'状态。不允许任何操作。",
  "regex": "sqlalchemy\\.exc\\.InvalidRequestError:\\ This\\ session\\ is\\ in\\ 'rolled\\ back'\\ state\\.\\ No\\ operations\\ are\\ allowed\\.",
  "domain": "python",
  "category": "runtime_error",
  "subcategory": null,
  "root_cause": "Attempting to use a session after a rollback without beginning a new transaction.",
  "root_cause_type": "generic",
  "root_cause_zh": "在回滚后尝试使用会话而未开始新事务。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Calling session.commit() after rollback.",
      "why_fails": "Session is in invalid state; must begin new transaction.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "Ignoring rollback and continuing.",
      "why_fails": "Session remains in aborted state; all operations fail.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Begin a new transaction after rollback.",
      "success_rate": 0.95,
      "how": "session.rollback()\nsession.begin()  # Start new transaction",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use session.begin() context manager to auto-handle rollback.",
      "success_rate": 0.9,
      "how": "with session.begin():\n    session.add(obj)\n# Automatically commits or rolls back",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": null,
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.85,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2025-07-08",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}