错误报告
环境
- EMQX 版本：3.2.4
- 操作系统版本：centos7
重现此问题的步骤
- 单机与集群 正常运行。一个客户端正常连接到broker.
预期行为
客户端未进行重复断开重连，一直保持稳定连接，不应用频繁出现该日志。
实际行为
非进行客户端连接情况情况下，broker日志经常出现该日志
其他
请问一下为什么会有这种日志。
可以贴一下完整的一段日志吗？
$ tail -F emqx.log.1
2022-11-17 10:13:55.030 [warning] [Channel] connection failed to establish: closed
2022-11-17 10:14:10.031 [warning] [Channel] connection failed to establish: closed
2022-11-17 10:14:25.030 [warning] [Channel] connection failed to establish: closed
2022-11-17 10:14:40.030 [warning] [Channel] connection failed to establish: closed
2022-11-17 10:14:55.030 [warning] [Channel] connection failed to establish: closed
2022-11-17 10:15:10.030 [warning] [Channel] connection failed to establish: closed
2022-11-17 10:15:25.031 [warning] [Channel] connection failed to establish: closed
2022-11-17 10:15:40.031 [warning] [Channel] connection failed to establish: closed
2022-11-17 10:15:55.031 [warning] [Channel] connection failed to establish: closed
2022-11-17 10:16:10.030 [warning] [Channel] connection failed to establish: closed
生产环境比这个频率高。一个节点每分钟至少4条
2022-11-17 11:12:06.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:12:21.085 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:12:36.085 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:12:51.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:13:06.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:13:21.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:13:36.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:13:51.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:14:06.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:14:21.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:14:36.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:14:51.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:15:06.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:15:21.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:15:36.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:15:51.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:16:06.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:16:21.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:16:36.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:16:51.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:17:06.085 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:17:21.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:17:36.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:17:51.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:18:06.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:18:21.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:18:36.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:18:51.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:19:06.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:19:21.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:19:36.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:19:51.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:20:06.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:20:21.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:20:36.085 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:20:51.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:21:06.085 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:21:21.084 [warning] [Channel] connection failed to establish: closed
2022-11-17 11:21:36.085 [warning] [Channel] connection failed to establish: closed
看起来确实是有客户端在尝试连接呢，你可以抓个包看下这些连接的来源 IP。