<![CDATA[OSError: -1]]>Hello everyone, I am currently trying to send sensor values to a IOT platform (Adafruit here), using the umqtt library. I can successfully connect to a wifi before connecting to the MQTT client. When I try do that last take, the following error is raised : OSError: -1. The thing is, it doesn't happen always. Could you someone please me tell me what this means ?Even though I made researches on the internet, none of the answers I found could fulfill me. I can provide you with a piece of code if necessary. I didn't think it would be necessary since I made this work few times before and followed exactly the tutorial, so I guess the issue doesn't come from the code, but maybe from the device or the platform itself ?
Thanks for your help

]]>https://forum.pycom.io/topic/4871/oserror-1RSS for NodeTue, 18 Aug 2026 14:35:43 GMTMon, 27 May 2019 15:03:57 GMT60<![CDATA[Reply to OSError: -1 on Mon, 27 May 2019 15:03:57 GMT]]>Hello everyone, I am currently trying to send sensor values to a IOT platform (Adafruit here), using the umqtt library. I can successfully connect to a wifi before connecting to the MQTT client. When I try do that last take, the following error is raised : OSError: -1. The thing is, it doesn't happen always. Could you someone please me tell me what this means ?Even though I made researches on the internet, none of the answers I found could fulfill me. I can provide you with a piece of code if necessary. I didn't think it would be necessary since I made this work few times before and followed exactly the tutorial, so I guess the issue doesn't come from the code, but maybe from the device or the platform itself ?
Thanks for your help

]]>https://forum.pycom.io/post/28073https://forum.pycom.io/post/28073Mon, 27 May 2019 15:03:57 GMT<![CDATA[Reply to OSError: -1 on Tue, 28 May 2019 02:29:19 GMT]]>@brossingo

I have encountered this. (mainly when using incorrect firmware).
You should also include the stacktrace, so we can see where in umqtt it is occuring.

T

]]>https://forum.pycom.io/post/28084https://forum.pycom.io/post/28084Tue, 28 May 2019 02:29:19 GMT