From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Charles C. Berry" <ccberry@ucsd.edu>
Subject: Re: Using tramp to run R source code blocks on remote server
Date: Fri, 22 Apr 2016 09:17:32 -0700
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To: Nick Dokos <ndokos@gmail.com>
Cc: emacs-orgmode@gnu.org

On Fri, 22 Apr 2016, Nick Dokos wrote:

> Vikas Rawal <vikaslists@agrarianresearch.org> writes:
>
>>         I am trying to run R source code blocks on a remote server (defined in my ~/.ssh/config as
>>         cesp).
>>
>>         I am facing several problems.
>>
>>         1.  The following sample block, when used with ":results value" does not give any results.
>>
>>         #+NAME: level1
>>         #+begin_src R :results value :exports results :colnames yes :hline yes :session cesp :dir /cesp:
>>         /home/vikas/
>>         c(1:5)
>>         #+end_src
>>
>>         I get the following message:
>>
>>         tramp-flush-directory-property: Wrong type argument: arrayp, nil
>>
>
> You might also want to ping Michael Albinus on the tramp mailing list about
> this.
>


And contrary to what I said earlier this *is* related to compilation. Not 
sure if this is a tramp issue for ob-comint.el issue.

Details:

If I run org-reload uncompiled, C-u C-c C-x !, code like

#+BEGIN_SRC R :session :dir /user@remote:/userdir
c(3,2,6)
#+END_SRC

runs fine and produces the expected result.

But reloading compiled, C-c C-x !, the code produces the

: tramp-flush-directory-property: Wrong type argument: arrayp, nil

message.

HTH,

Chuck