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CRAN and packages problems

2 messages · varin sacha, Simon Urbanek

Original
varin sacha
# 
Dear R-experts,

Can somebody tell me what is going on ?

Here is what I get :

download.file('https://stat.ethz.ch/CRAN/src/contrib/PACKAGES','PACKAGES')

essai de l'URL 'https://stat.ethz.ch/CRAN/src/contrib/PACKAGES'
Erreur dans download.file("https://stat.ethz.ch/CRAN/src/contrib/PACKAGES",? :
? impossible d'ouvrir l'URL 'https://stat.ethz.ch/CRAN/src/contrib/PACKAGES'
De plus : Message d'avis :
Dans download.file("https://stat.ethz.ch/CRAN/src/contrib/PACKAGES",? :
? URL 'https://stat.ethz.ch/CRAN/src/contrib/PACKAGES': statut 'Peer certificate cannot be authenticated with given CA certificates'
Simon Urbanek
# 
The SSL certificate check for stat.ethz.ch fails. Given that it is actually valid (see below), the problem is on your end. Possible causes are

a) intermittent issue - try again or try another mirror

b) too old macOS with expired root certificates - see https://stat.ethz.ch/pipermail/r-sig-mac/2021-November/014228.html

c) bad proxy - remove the proxy or contact the proxy administrator

d) someone is messing with your network - worry

Cheers,
Simon


Certificate:
    Data:
 [...]
        Issuer: C = US, O = Let's Encrypt, CN = R3
        Validity
            Not Before: Feb 25 03:44:39 2022 GMT
            Not After : May 26 03:44:38 2022 GMT
        Subject: CN = stat.ethz.ch