{
  "id": "cloud/azure-aks-pod-stuck-containercreating-imagepullbackoff",
  "signature": "Failed to pull image \"myregistry.azurecr.io/myapp:latest\": rpc error: code = Unknown desc = Error response from daemon: manifest for myregistry.azurecr.io/myapp:latest not found: manifest unknown",
  "signature_zh": "拉取镜像 \"myregistry.azurecr.io/myapp:latest\" 失败：rpc 错误：代码 = Unknown 描述 = 来自守护进程的错误响应：未找到 myregistry.azurecr.io/myapp:latest 的清单：清单未知",
  "regex": "manifest for .+ not found: manifest unknown",
  "domain": "cloud",
  "category": "config_error",
  "subcategory": null,
  "root_cause": "The container image tag 'latest' does not exist in the Azure Container Registry (ACR) because the CI/CD pipeline pushed a specific version tag (e.g., 'v1.2.3') but the Kubernetes deployment manifest references 'latest', or the image was deleted.",
  "root_cause_type": "generic",
  "root_cause_zh": "容器镜像标签 'latest' 在 Azure 容器注册表 (ACR) 中不存在，因为 CI/CD 管道推送了特定版本标签（例如 'v1.2.3'），但 Kubernetes 部署清单引用了 'latest'，或者镜像已被删除。",
  "versions": [
    {
      "version": "Azure Kubernetes Service (AKS) 1.28",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Azure Container Registry (ACR) SKU: Standard",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "kubectl v1.29.0",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "ACR anonymous pull is disabled by default; even if the image exists, AKS needs authentication to pull from ACR.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Restarting pods does not fix the missing image; it will only cause the same error again.",
      "fail_rate": 0.95,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "The pull secret may be valid but the image tag simply doesn't exist; the error is about the manifest, not authentication.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Update the Kubernetes deployment manifest to use the correct image tag that exists in ACR: `kubectl set image deployment/myapp myapp=myregistry.azurecr.io/myapp:v1.2.3`",
      "success_rate": 0.95,
      "how": "Update the Kubernetes deployment manifest to use the correct image tag that exists in ACR: `kubectl set image deployment/myapp myapp=myregistry.azurecr.io/myapp:v1.2.3`",
      "condition": "",
      "sources": []
    },
    {
      "action": "If 'latest' is required, retag the existing image in ACR: `az acr import --name myregistry --source myregistry.azurecr.io/myapp:v1.2.3 --image myapp:latest`",
      "success_rate": 0.9,
      "how": "If 'latest' is required, retag the existing image in ACR: `az acr import --name myregistry --source myregistry.azurecr.io/myapp:v1.2.3 --image myapp:latest`",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Update the Kubernetes deployment manifest to use the correct image tag that exists in ACR: `kubectl set image deployment/myapp myapp=myregistry.azurecr.io/myapp:v1.2.3`",
    "If 'latest' is required, retag the existing image in ACR: `az acr import --name myregistry --source myregistry.azurecr.io/myapp:v1.2.3 --image myapp:latest`"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://docs.microsoft.com/en-us/azure/aks/cluster-container-registry-integration",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.85,
  "fix_success_rate": 0.9,
  "resolvable": "true",
  "first_seen": "2024-05-10",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}