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[Bioc-devel] SSL certificate error on nebbiolo2

Hi Nico,

Please try changing your calls to useMart() to useEnsembl().  That function
has some checking that should detect this problem (it's real for all Ubuntu
20.04 users, plus various other Linux distros) and will try to apply the
appropriate fix in the background.  There's some further suggestions in the
biomaRt vignette at if that doesn't work -
https://bioconductor.org/packages/release/bioc/vignettes/biomaRt/inst/doc/accessing_ensembl.html#connection-troubleshooting


The weird certificates that produce the issue are only on the Ensembl
mirror sites, so it should not happen with the default arguments to
useMart(), but if biomaRt finds it's taking > 10 seconds to get a response
it will see if one of the mirrors is more responsive.  That's why it might
take a variable number of tries before reproducing the problem.

Best,
Mike
On Thu, 4 Nov 2021 at 20:42, Herv? Pag?s <hpages.on.github at gmail.com> wrote: