o.e.p.c.mqttv3.internal.ClientState - 445: Timed out as no activity

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已于 2023-05-25 09:34:48 修改

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分类专栏： Emqx 文章标签： emqx 掉线 Timed out as no activity o.e.p.c.mqttv3.internal.Client org.eclipse.paho.client.mqttv3

于 2020-01-13 22:43:31 首次发布

本文链接：https://blog.youkuaiyun.com/u012134942/article/details/103965155

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问题描述：

使用 org.eclipse.paho.client.mqttv3 连接emqx , 运行一段时间后出现掉线，而且不会自动重连（已设置自动重连，亲测有效），查看日志发现报以下错误：

[Timer-1] ERROR o.e.p.c.mqttv3.internal.ClientState - 445:
Timed out as no activity, keepAlive=120,000 lastOutboundActivity=1,571,456,370,788
lastInboundActivity=1,571,456,250,714 time=1,571,456,490,797 lastPing=1,571,456,370,788

自己写定时器去重连报以下错误：

org.eclipse.paho.client.mqttv3.MqttException: 客户机正在断开连接
   at org.eclipse.paho.client.mqttv3.MqttAsyncClient.reconnect(MqttAsyncClient.java:1150)
   at org.eclipse.paho.client.mqttv3.MqttClient.reconnect(MqttClient.java:624)
   at com.legrand.middle.ware.iothub.mqttclient.MqttClientManage.siteServerReconnect(MqttClientManage.java:139)
   at com.legrand.scheduled.MqttReconnectThread.run(MqttReconnectThread.java:75)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Sour