paho.mqtt.python icon indicating copy to clipboard operation
paho.mqtt.python copied to clipboard

How to recognize "In state connection received CLIENT ALERT"

Open buhln opened this issue 8 months ago • 19 comments

I observed the following issue: The communication between the client and server stopped without a disconnect on the client side. The broker log shows the follwing line:

[MQTT] socket_error: {tls_alert,{internal_error,"TLS server: In state connection received CLIENT ALERT: Fatal - Internal Error\n"}}

Due to the fact that we are using a quiet outdated emqx broker I do not want to call it a bug but I can not easily update the broker by myself due to the fact that it is part of a bigger infrastructure. So I have to look for a workaround, like reconnecting my client by force.

Do you have an idea how to recognize this situation from the client side?

Thanks in advance!

Reproduction

Not reproduceable

Environment

  • Python version:
  • Library version: 2.1.0
  • MQTT server: emqx 4.3.8

buhln avatar Jun 24 '24 05:06 buhln