python network_error ai_generated true

aiohttp客户端异常：连接池已满

aiohttp.client_exceptions.ClientConnectionError: Connection pool is full

ID: python/aiohttp-client-connection-pool

其他格式: JSON · Markdown 中文 · English
80%修复率
84%置信度
0证据数
2025-01-05首次发现

版本兼容性

版本状态引入弃用备注
3.7 active — — —
3.8 active — — —
3.9 active — — —

根因分析

并发请求过多，耗尽了aiohttp的连接池限制。

English

Too many concurrent requests exhausting the connection pool limit of aiohttp.

generic

解决方案

  1. 95% 成功率 
    sem = asyncio.Semaphore(10); async with sem: await session.get(url)
  2. 90% 成功率 
    conn = aiohttp.TCPConnector(limit=100); async with aiohttp.ClientSession(connector=conn) as session:

无效尝试

常见但无效的做法:

  1. 60% 失败

    May still be insufficient and can lead to memory issues.

  2. 70% 失败

    Creates many sessions, causing resource leaks and performance degradation.