1 When i run my code it's working fine but after some hours it stop working and show this errorNot able to publish: MQTT client is not connected publicMqtt5AsyncClientconnect(String host,intport){Mqtt5AsyncClientclient=MqttClient.builder().useMqttVersion5() .identifier(UUID.randomUUID().toS...
Maybe the message is a little bit misleading. This can happen when the client is going to be disconnected. This will return "IsConnected" true but throws the exception. Pending disconnects are not part of the "IsConnected" property. I will consider to add this value here as well. Also ...
console.log("Connecting to host"); mqtt=new Paho.MQTT.Client(host,port,"ping"); var options={ timeout : 3000, onSuccess: onConnect, }; mqtt.connect(options); } MQTTconnect(); And there is no error , But the client doesn't connect to the server, Not executing the onConnect...
When a client is not connected the queue manager can continue to receive publications on its behalf. They are forwarded to the client when it reconnects. A client can create a "Last will and testament", which the queue manager publishes on behalf of the
3657 org.eclipse.paho.mqttv5.common.MqttException: Client is not connected 所有设备都是报这个喔。webhook地址是正确的,一直在用,另外会告警high_system_memory_usage,会不会是这个原因呢? 就是所有客户端频繁断开。blankalupo 2023 年3 月 27 日 02:58 5 high_system_memory_usage 只是内存使用量的一个...
(client, &connOpts); // int rt = MQTTAsync_reconnect(client); if (rt != MQTTASYNC_SUCCESS) fprintf(stderr, "ERROR MQTT start connect: %d\n", rt); } void onConnect(void * context, MQTTAsync_successData * response) { (*Connected)(); fprintf(stdout, "MQTT connected to host %s\n...
要在 redis 服务上执行命令需要一个 redis 客户端。Redis客户端在Redis包中有提供，这个包在我们前面的...
importorg.eclipse.paho.client.mqttv3.MqttConnectOptions;// 设置连接选项MqttConnectOptionsoptions=newMqttConnectOptions();options.setCleanSession(true);options.setConnectionTimeout(10);// 设置连接超时时间try{mqttClient.connect(options);// 连接到 brokerSystem.out.println("Connected to broker.");}catch...
mqttClient总是发送失败 org.tio.core.Tio - [send,1054] - can't send data, server:172.25.0.23:1883, client:$UNKNOWN:6, isClosed:true, isRemoved:false 已完成 #I943V3 xiang_Lee 创建于 2024-02-27 15:21 springboot 项目集成了服务器和客户端。服务端用来接受其他系统,发送的数据 然后进行处理...
Console.WriteLine("The MQTT client is connected.");//response.DumpToConsole();// Send a clean disconnect to the server by calling _DisconnectAsync_. Without this the TCP connection// gets dropped and the server will handle this as a non clean disconnect (see MQTT spec for details).varmqt...