华为SMARTS平台样例仿真问题

Question

在华为SMARTS平台上运行样例，出现一下错误，但是运行e2_simple_agent的时候正常运行了。
错误如下所示

(.venv) dm@ubuntu:~/SMARTS$ scl run --envision examples/e3_multi_agent.py scenarios/sumo/loop
/home/dm/SMARTS/smarts/core/default_map_builder.py:159: UserWarning: A map source for road surface generation can not be resolved from the given reference: `scenarios/sumo/loop/build`.
  warnings.warn(
/home/dm/SMARTS/smarts/core/default_map_builder.py:159: UserWarning: A map source for road surface generation can not be resolved from the given reference: `scenarios/sumo/loop/build/social_agents`.
  warnings.warn(
/home/dm/SMARTS/smarts/core/default_map_builder.py:159: UserWarning: A map source for road surface generation can not be resolved from the given reference: `scenarios/sumo/loop/build/traffic`.
  warnings.warn(
/home/dm/SMARTS/smarts/core/default_map_builder.py:159: UserWarning: A map source for road surface generation can not be resolved from the given reference: `scenarios/sumo/loop/build/map`.
  warnings.warn(
╭────────────────────┬────────────────────┬────────────────────┬────────────────────┬────────────────────┬────────────────────┬────────────────────┬────────────────────╮
│            Episode │     Sim T / Wall T │        Total Steps │        Steps / Sec │       Scenario Map │    Scenario Routes │     Mission (Hash) │             Scores │
├────────────────────┼────────────────────┼────────────────────┼────────────────────┼────────────────────┼────────────────────┼────────────────────┼────────────────────┤
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
/home/dm/SMARTS/smarts/core/actor_capture_manager.py:112: UserWarning: Unable to capture for social-agent-all-keep-lane-agent because social agent id capture not yet implemented.
  warnings.warn(
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 2 
│               1/10 │               0.19 │                100 │               1.87 │               loop │      basic.rou.xml │ 466697440020466090 │    19.43 - Agent 2 │
│                    │                    │                    │                    │                    │                    │                    │    56.92 - Agent 3 │
│                    │                    │                    │                    │                    │                    │                    │   103.56 - Agent 1 │
│                    │                    │                    │                    │                    │                    │                    │    56.84 - Agent 0 │
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 0 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 0 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 0 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 0 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 0 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 0 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 0 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 0 
WARNING:SMARTS:Attempted to perform actions on non-existing agent, Agent 0 

Answer 1

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问题：在华为SMARTS平台上运行样例，出现关于地图资源的警告，同时出现了尝试对不存在的智能体执行动作的警告。但是运行e2_simple_agent的时候正常运行了。 解答：该错误是因为平台无法找到指定的地图资源。可能是由于文件路径指向错误或文件不存在所导致的。建议使用正确的路径或者确认文件是否存在来解决该问题。 另外，运行时出现了对不存在的智能体执行动作的警告，可能是由于智能体程序中有些代码没有正确执行而导致的。需要检查程序中是否正确初始化了所有智能体，并确认代码是否正确执行。 案例：使用try/except语句捕获警告信息，并对错误进行处理，例如日志记录。 代码实现示例：

import logging
try:
    # 程序代码
except UserWarning as e:
    # 处理警告信息
    logging.warning(str(e))