{
  "id": "ros2/lifecycle-node-timeout-unconfigured",
  "signature": "[ERROR] [lifecycle_node]: Transition 'configure' timed out after 10 seconds",
  "signature_zh": "[错误] [lifecycle_node]: 转换 'configure' 在 10 秒后超时",
  "regex": "\\[ERROR\\] \\[lifecycle_node\\]: Transition 'configure' timed out after \\d+ seconds",
  "domain": "ros2",
  "category": "runtime_error",
  "subcategory": null,
  "root_cause": "The lifecycle node's `on_configure` callback is blocking for longer than the default timeout (10 seconds), often due to infinite loops, deadlocks, or slow initialization of hardware or external services.",
  "root_cause_type": "generic",
  "root_cause_zh": "生命周期节点的 `on_configure` 回调阻塞时间超过默认超时时间（10 秒），通常是由于无限循环、死锁或硬件/外部服务的慢速初始化。",
  "versions": [
    {
      "version": "ROS2 Humble Hawksbill",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "ROS2 Iron Irwini",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "ROS2 Rolling",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Increasing the timeout in the launch file might allow the node to eventually proceed, but it masks the underlying performance issue and can lead to longer startup delays.",
      "fail_rate": 0.4,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Removing the lifecycle management entirely by using a regular node may bypass the error, but it defeats the purpose of lifecycle management and can cause other issues.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Add logging inside the `on_configure` callback to identify where it hangs. For example, insert `RCLCPP_INFO` statements at key points. If the callback waits for a hardware response, add a timeout mechanism.",
      "success_rate": 0.9,
      "how": "Add logging inside the `on_configure` callback to identify where it hangs. For example, insert `RCLCPP_INFO` statements at key points. If the callback waits for a hardware response, add a timeout mechanism.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If the callback is waiting for a service or action, ensure the server is started before the lifecycle node attempts to configure. Use a launch file with dependencies or add a retry loop.",
      "success_rate": 0.85,
      "how": "If the callback is waiting for a service or action, ensure the server is started before the lifecycle node attempts to configure. Use a launch file with dependencies or add a retry loop.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Add logging inside the `on_configure` callback to identify where it hangs. For example, insert `RCLCPP_INFO` statements at key points. If the callback waits for a hardware response, add a timeout mechanism.",
    "If the callback is waiting for a service or action, ensure the server is started before the lifecycle node attempts to configure. Use a launch file with dependencies or add a retry loop."
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://design.ros2.org/articles/node_lifecycle.html",
  "official_doc_section": null,
  "error_code": "LC-2001",
  "verification_tier": "ai_generated",
  "confidence": 0.86,
  "fix_success_rate": 0.83,
  "resolvable": "true",
  "first_seen": "2024-01-10",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}