Weather Underground Upload Fails

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Ford Smith

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Oct 16, 2019, 8:51:35 AM10/16/19
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Until a brief power failure the other day, my weewx reading an Accurite weather station was performing perfectly on a Raspberry Pi 4. Since then, the upload to Weather Underground has failed. I've reinstalled weewx, even created a new PWS on Underground, and finally turned Debug on. Apparently, the problem  is:
Oct 16 08:40:25 raspberrypi weewx[3114]: restx: Wunderground-PWS: Failed upload attempt 2: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify
I've searched for how to correct this Certificate problem and can find no answers.
Help!!

Thomas Keffer

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Oct 16, 2019, 9:07:23 AM10/16/19
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What version of WeeWX?

What version of Python?

Earlier version of WeeWX posted using http instead of https.

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Wade Graham

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Oct 16, 2019, 9:14:51 AM10/16/19
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When my unattended Pi 3B running weewx goes down for a longer time it takes a while until Wunderground starts displaying data after the Pi boots up.

I think Wunderground may blocks data for a period of time until there is a steady transmit rate.
Weewx is set to Rapid Fire.

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Ford Smith

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Oct 16, 2019, 9:37:53 AM10/16/19
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weewx 3.9.2

python 2.7.16

Thomas Keffer

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Oct 16, 2019, 11:22:00 AM10/16/19
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Most likely this is being caused because you are missing the necessary certificates on your RPi to certify the https connection.

I'm definitely not a certificates expert, but try this on your RPi:

sudo apt-get update
sudo apt-get install --reinstall ca-certificates

This will refresh your cache of certificates.

-tk

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Ford Smith

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Oct 17, 2019, 11:33:14 AM10/17/19
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The actions detailed by Thomas Keffer solved the problem!


On Wednesday, October 16, 2019 at 8:51:35 AM UTC-4, Ford Smith wrote:
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