[ESS] Issues with ESS, running R on a remote server via tramp

[Chris Wallace]

Vitalie,

thank you, the dev version fixes all my issues :)

Chris

On 2013-11-28 22:34, Vitalie Spinu wrote:
> Hi Chris,
> 
> v13.05 is know to have some issues with remotes. There have been quite
> some work recently on improving remotes, especially with TRAMP so even
> 13.09 might not be satisfactory now.
> 
> Please try the dev version. The help issue is due to wrong settings of
> the PAGER environment variable, which sould be "cat". You can set it
> either in R options or in the sh/bash config files.
> 
> In ESS dev, this is done automatically now, both for TRAM and
> ess-remote.
> 
>    Vitalie
> 
> 
>  >>> Chris Wallace on Thu, 28 Nov 2013 13:06:05 +0000 wrote:
> 
>  > Dear ESS-help,
> 
>  > I am a very recent convert to ESS, but a long term user of emacs and 
> R.  In a
>  > linux environment, I am newly running R within emacs, via M-x R,
> and using tramp
>  > to run R on a remote hose through ssh, so at the prompt for a 
> starting
>  > directory, I do "/ssh:remote:~/mydir". Everything works well except 
> for two
>  > problems.
> 
>  > First, when I try to access help, via "?xxx" or via C-c C-v, the R
> window hangs,
>  > and I have to C-g, C-c C-c.  Then, sometimes the help is shown,
> sometimes not.
> 
>  > Second, when I use C-c C-c from the ESS buffer, to send a command to 
> the iESS
>  > buffer, it can sometimes fail with:
> 
>  > Error in file(filename, "r", encoding = encoding) :
>  >   cannot open the connection
>  > In addition: Warning message:
>  > In file(filename, "r", encoding = encoding) :
>  >   cannot open file '/tmp/ESS-region/ebi-part1.R at 9': No such file or 
> directory
> 
>  > even though the text appears pasted in the iESS buffer. C-<return> 
> to step
>  > through line by line never fails.
> 
>  > Neither problem occurs when I run R locally, and so I suspect both 
> of these
>  > problems may relate to running R on a remote host. However, I do
> need to be able
>  > to run R on a remote host (which does not have emacs installed) to 
> be able to
>  > access various other servers on which data are stored.
> 
>  > In case it's relevant, emacs-version is 24.2.1, ess-version is 
> 13.05, R is
>  > 3.0.2.  The ESS section in my .emacs is:
> 
>  > (require 'tramp)
>  > (require 'ess-site)
>  > (require 'ess-bugs-d)
>  >   (setq comint-scroll-to-bottom-on-input t)
>  >   (setq comint-scroll-to-bottom-on-output t)
>  >   (setq comint-move-point-for-output t)
>  > (setq ess-eval-visibly 'nowait)  ;; need this to avoid emacs hanging 
> on large
>  > evaluations
>  > (setq ess-help-own-frame 'one) ;;;;; all help buffers to go into one 
> frame
> 
>  > In my .Rprofile I have
> 
>  > options(help_type="text")
> 
>  > Thank you for any advice,
> 
>  > Chris
> 
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