[R] Version 3.2.3: package not available error with https

[Duncan Murdoch]

On 29/02/2016 6:09 AM, Loris Bennett wrote:
> Hi,
>
> I recently installed version 3.2.3.  When I call
>
> install.packages("RCurl")
>
> I get a pop-up menu labelled "HTTPS CRAN Mirror" with a shortish list of
> mirrors.  However, I don't seem to be able to reach any of these
> mirrors, and always get an error like the following
>
> Error in download.file(url, destfile = f, quiet = TRUE) :
>    unsupported URL scheme
> Warning: unable to access index for repository https://cran.uni-muenster.de/src/contrib:
>    unsupported URL scheme

That error message suggests the problem is in your build, e.g. possibly 
an out of date or missing libcurl.  What does capabilities("libcurl") say?

Duncan Murdoch


> Warning message:
> package ‘RCurl’ is not available (for R version 3.2.3)
>
> If I choose the menu entry "(HTTP mirrors)" I get the list of HTTP
> mirrors with which I am familiar from previous versions of R.  These
> mirrors I can reach.
>
> I assume I have some local, probably firewall-related problem, but can
> someone confirm that the HTTPS mirrors do indeed work?
>
> Cheers,
>
> Loris
>