# Kombu 操作错误：[Errno 111] 连接被拒绝

- **ID:** `python/django-celery-connection-error`
- **领域:** python
- **类别:** network_error
- **验证级别:** ai_generated
- **修复率:** 80%

## 根因

Celery 代理（通常是 Redis 或 RabbitMQ）未运行或无法访问。

## 版本兼容性

| 版本 | 状态 | 引入 | 弃用 |
|------|------|------|------|
| 3.x | active | — | — |

## 解决方案

1. **** (90% 成功率)
   ```
   Start Redis: redis-server or RabbitMQ: sudo systemctl start rabbitmq-server
   ```
2. **** (85% 成功率)
   ```
   Verify CELERY_BROKER_URL='redis://localhost:6379/0' in settings.
   ```

## 无效尝试

- **** — Changing CELERY_BROKER_URL to a different port without starting service doesn't help. (60% 失败率)
- **** — Using localhost instead of 127.0.0.1 can cause IPv6 issues. (30% 失败率)