emqx 接收大图片，订阅出现异常

EMQX 其他
1

org.eclipse.paho.client.mqttv3.MqttException: Timed out waiting for a response from the server
at org.eclipse.paho.client.mqttv3.internal.Token.waitForCompletion(Token.java:112) ~[org.eclipse.paho.client.mqttv3-1.2.5.jar:?]
at org.eclipse.paho.client.mqttv3.MqttToken.waitForCompletion(MqttToken.java:67) ~[org.eclipse.paho.client.mqttv3-1.2.5.jar:?]
at org.eclipse.paho.client.mqttv3.MqttClient.subscribe(MqttClient.java:460) ~[org.eclipse.paho.client.mqttv3-1.2.5.jar:?]
at org.eclipse.paho.client.mqttv3.MqttClient.subscribe(MqttClient.java:429) ~[org.eclipse.paho.client.mqttv3-1.2.5.jar:?]
at org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter.connectAndSubscribe(MqttPahoMessageDrivenChannelAdapter.java:281) ~[spring-integration-mqtt-5.5.12.jar:5.5.12]
at org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter.lambda$scheduleReconnect$2(MqttPahoMessageDrivenChannelAdapter.java:344) ~[spring-integration-mqtt-5.5.12.jar:5.5.12]
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) ~[spring-context-5.3.20.jar:5.3.20]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:?]
at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:?]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) ~[?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) ~[?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) ~[?:?]
at java.lang.Thread.run(Unknown Source) ~[?:?]
背景：出现这个错误是接收大图片。接收短报文不会出现这个问题。
问题：预计是什么会导致出现该问题？如何解决

2

你好，从发的客户端的日志来看是它认为超时了。 还看不出具体的原因， 在翻翻 EMQX 的日志是否有这相关的错误。

或者使用日志追踪，看下这个客户端的 DEBUG 日志

3

buffer: 4096

clientid: XXXXXXXXX

conn_state: connected

connected_at: 1718828679615

high_msgq_watermark: 8192

high_watermark: 1048576

memory: 29880

message_queue_len: 0

peername: XXXXX:47035

pid: <0.28502.398>

proto_name: MQTT

proto_ver: 4

recbuf: 369280

recv_cnt: 3838

recv_oct: 7878

reductions: 10155296

send_cnt: 7145

send_oct: 272489588

send_pend: 295585

sndbuf: 2631168

sockname: XXXXXXX:1883

socktype: tcp

username: XXXXXXX

eqmx面板有告警信息。以上是告警信息