[OS X Emacs] Directory for loading ESSR

David Reitter david.reitter at gmail.com
Sat Dec 15 09:39:11 EST 2018

Hi Michael,

If you read the error message carefully, you see an error, and then an additional warning that may or may not have anything with the error. I do not get the warning myself with the provided ESS version (and no, there is no /Users/dr/Nightly directory either here).

Aquamacs 3.4 had version 17.11 installed.  It doesn’t look like it’s been updated since.

So, this leads me to think there is a problem with the ESS in MELPA, either an incompatibility with the provided version or something independent.  It seems like there is a problem with the load path.


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> On Dec 14, 2018, at 12:51 PM, Braun, Michael <braunm at mail.smu.edu> wrote:
> When launching an R process via ESS (M-x R), I get the following Emacs message:
> load ESSR: + + + Error in file(filename, "r", encoding = encoding) : 
>  cannot open the connection
> In addition: Warning message:
> In file(filename, "r", encoding = encoding) :
>  cannot open file ’/Users/dr/Nightly/master/aquamacs-emacs.git/lisp/aquamacs/edit-modes/ess-mode/etc/ESSR/R/.load.R’: No such file or directory
> It appears somewhere in the Aquamacs build process, the directory path on the builder’s computer is not replaced, as my user name is not “dr”.  Thus, Aquamacs cannot find ESSR.  This is causing problems with using the help functions in R.  For example:
>> ?mean
> Error in .ess.help("mean") : could not find function ".ess.help"
> The problem occurs when I use either the stable 3.4 version of Aquamacs, or the latest nightly build.  ESS version is 18.10.2, although I had the problem with 18.10 as well.  Not sure if it matters, but the latest ESS is a Melpa version.
> Any suggestions or fixes would be appreciated.
> Thanks.
> Michael
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