Troubleshooting

Issues with TLS connections in OSX

If running into the following error in OSX

$ python3.8 examples/nats-sub -s tls://demo.nats.io:4443
Error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1108)
An open stream object is being garbage collected; call "stream.close()" explicitly.

The following command can be used to install the missing certs:

/Applications/Python\ 3.8/Install\ Certificates.command
-- pip install --upgrade certifi
Collecting certifi
  Downloading certifi-2020.6.20-py2.py3-none-any.whl (156 kB)
     |████████████████████████████████| 156 kB 2.2 MB/s 
Installing collected packages: certifi
  Attempting uninstall: certifi
    Found existing installation: certifi 2019.11.28
    Uninstalling certifi-2019.11.28:
      Successfully uninstalled certifi-2019.11.28
Successfully installed certifi-2020.6.20