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AWS_IOT: Error(-28) #20

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izaton opened this issue Aug 19, 2019 · 1 comment
Open

AWS_IOT: Error(-28) #20

izaton opened this issue Aug 19, 2019 · 1 comment

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@izaton
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izaton commented Aug 19, 2019

I'm trying to connect to MQTT using ESP32 but I get this error over and over.

Attempting to connect to SSID: //MySSID//
Connected to wifi
E (67286) AWS_IOT: Error(-28) connecting to <xxxxxxxxxxxxx>-ats.iot.eu-central-1.amazonaws.com:8883, 
Trying to reconnect
@gmussi
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gmussi commented Oct 8, 2019

I was having the same problem and it turned out it was an authorization error.
I enabled logs for CloudWatch in IOT CORE, and could find the authroization errors there.

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@gmussi @izaton