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

Martin Maechler maechler at stat.math.ethz.ch
Mon Feb 29 13:30:50 CET 2016

>>>>> Loris Bennett <loris.bennett at fu-berlin.de>
>>>>>     on Mon, 29 Feb 2016 12:09:14 +0100 writes:

    > 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 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, 

yes.  I assume other may help you *if* give a bit more
information than just your version of R.

    > but can someone confirm that the HTTPS mirrors do indeed work?

Sure, I confirm.  They are nowadays used by default by probably
100s of 1000s of R users.

Martin Maechler, ETH Zurich

    > Cheers,

    > Loris

    > -- 
    > Dr. Loris Bennett (Mr.)  ZEDAT, Freie Universität Berlin
    > Email loris.bennett at fu-berlin.de

    > ______________________________________________
    > R-help at r-project.org mailing list -- To UNSUBSCRIBE and
    > more, see https://stat.ethz.ch/mailman/listinfo/r-help
    > PLEASE do read the posting guide
    > http://www.R-project.org/posting-guide.html
    > and provide commented, minimal, self-contained, reproducible code.

More information about the R-help mailing list