{
  "id": "go/grpc-max-message-size-exceeded",
  "signature": "rpc error: code = ResourceExhausted desc = grpc: received message larger than max (5242881 vs. 4194304)",
  "signature_zh": "rpc 错误：code = ResourceExhausted desc = grpc：接收到的消息超过最大值（5242881 与 4194304）",
  "regex": "rpc\\ error:\\ code\\ =\\ ResourceExhausted\\ desc\\ =\\ grpc:\\ received\\ message\\ larger\\ than\\ max\\ \\(5242881\\ vs\\.\\ 4194304\\)",
  "domain": "go",
  "category": "resource_error",
  "subcategory": null,
  "root_cause": "The serialized protobuf message exceeds the default 4 MiB receive limit on either the client or server side.",
  "root_cause_type": "generic",
  "root_cause_zh": "序列化后的 protobuf 消息超过了客户端或服务器端默认的 4 MiB 接收限制。",
  "versions": [
    {
      "version": "google.golang.org/grpc v1.50+",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Still hits the limit if reassembly happens before unmarshal; also doubles memory pressure.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "The limit is checked on the decompressed wire size after gRPC's own compression; ineffective for incompressible data.",
      "fail_rate": 0.65,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.95,
      "how": "// server\ns := grpc.NewServer(grpc.MaxRecvMsgSize(16*1024*1024), grpc.MaxSendMsgSize(16*1024*1024))\n// client\nconn, _ := grpc.NewClient(addr,\n    grpc.WithDefaultCallOptions(\n        grpc.MaxCallRecvMsgSize(16*1024*1024),\n        grpc.MaxCallSendMsgSize(16*1024*1024),\n    ),\n)",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.88,
      "how": "stream, err := client.Upload(ctx)\nif err != nil { return err }\nfor _, chunk := range chunks {\n    if err := stream.Send(&pb.Chunk{Data: chunk}); err != nil { return err }\n}\n_, err = stream.CloseAndRecv()",
      "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": 0.9,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-07-03",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}