{
  "id": "ros2/ros2cli-service-call-timeout",
  "signature": "ros2 service call /my_service my_msgs/srv/MyService \"{}\" --timeout 5: Service call timed out after 5 seconds",
  "signature_zh": "ros2 service call /my_service my_msgs/srv/MyService \"{}\" --timeout 5：服务调用在5秒后超时",
  "regex": "Service call timed out after \\d+ seconds",
  "domain": "ros2",
  "category": "network_error",
  "subcategory": null,
  "root_cause": "The service server is not running, or the network latency exceeds the timeout value due to high load or QoS settings.",
  "root_cause_type": "generic",
  "root_cause_zh": "服务服务器未运行，或由于高负载或QoS设置，网络延迟超过超时值。",
  "versions": [
    {
      "version": "ros2-humble",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "ros2-iron",
      "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": "If the server is not running, it will never respond; timeout just delays failure detection.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Service list may show stale entries; the server may have crashed after discovery.",
      "fail_rate": 0.5,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Check if the service server node is running: ros2 node list | grep my_service_server. If not, launch the server node.",
      "success_rate": 0.95,
      "how": "Check if the service server node is running: ros2 node list | grep my_service_server. If not, launch the server node.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use 'ros2 service type /my_service' to verify the service type matches; if mismatch, correct the service type in the call.",
      "success_rate": 0.9,
      "how": "Use 'ros2 service type /my_service' to verify the service type matches; if mismatch, correct the service type in the call.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "检查服务服务器节点是否运行：ros2 node list | grep my_service_server。如果未运行，启动服务器节点。",
    "使用'ros2 service type /my_service'验证服务类型是否匹配；如果不匹配，在调用中更正服务类型。"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://docs.ros.org/en/rolling/Tutorials/Intermediate/CLI-Intro.html",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.87,
  "fix_success_rate": 0.9,
  "resolvable": "true",
  "first_seen": "2023-09-01",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}