【异常】生产环境 MQTT 连接异常Caused by: org.eclipse.paho.client.mqttv3.MqttException: 无法连接至服务器

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2026/4/16 23:38:20 15 分钟阅读

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【异常】生产环境 MQTT 连接异常Caused by: org.eclipse.paho.client.mqttv3.MqttException: 无法连接至服务器
生产环境 MQTT 连接异常排查报告一、报错内容在 Spring Integration 集成 MQTT 客户端进行消息发送时,系统抛出如下异常堆栈:Caused by: org.springframework.messaging.MessagingException: Failed to connect at org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler.checkConnection(MqttPahoMessageHandler.java:224) at org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler.publish(MqttPahoMessageHandler.java:238) ... Caused by: org.eclipse.paho.client.mqttv3.MqttException: 无法连接至服务器 at org.eclipse.paho.client.mqttv3.internal.TCPNetworkModule.start(TCPNetworkModule.java:80) at org.eclipse.paho.client.mqttv3.internal.SSLNetworkModule.start(SSLNetworkModule.java:132) ... Caused by: java.net.Con

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