{
  "id": "go/grpc-data-loss-corruption",
  "signature": "rpc error: code = DataLoss desc = message checksum mismatch",
  "signature_zh": "rpc 错误：代码 = DataLoss 描述 = 消息校验和不匹配",
  "regex": "rpc\\ error:\\ code\\ =\\ DataLoss\\ desc\\ =\\ message\\ checksum\\ mismatch",
  "domain": "go",
  "category": "network_error",
  "subcategory": null,
  "root_cause": "The gRPC message was corrupted during transmission, causing checksum verification to fail.",
  "root_cause_type": "generic",
  "root_cause_zh": "gRPC 消息在传输过程中损坏，导致校验和验证失败。",
  "versions": [
    {
      "version": "1.56.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "1.57.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Retrying the same request without checks.",
      "why_fails": "Corruption may be transient but same data may fail again.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "Turning off checksum checking.",
      "why_fails": "Data integrity risk.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    },
    {
      "action": "Blaming server for incorrect checksum.",
      "why_fails": "Network issues are common cause.",
      "fail_rate": 0.5,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.95,
      "how": "creds := credentials.NewClientTLSFromCert(certPool, \"\"); conn, err := grpc.Dial(address, grpc.WithTransportCredentials(creds))",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.9,
      "how": "req := &pb.Request{Data: data, Checksum: sha256.Sum256(data)}; server verifies checksum",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.85,
      "how": "backoff := grpc.Backoff{MaxDelay: 5 * time.Second}; conn, err := grpc.Dial(address, grpc.WithConnectParams(grpc.ConnectParams{Backoff: backoff}))",
      "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": "2025-06-30",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}