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: Thu, 21 Apr 2016 14:29:55 -0700
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To: Vikas Rawal <vikaslists@agrarianresearch.org>
Cc: org-mode mailing list <emacs-orgmode@gnu.org>

On Thu, 21 Apr 2016, Charles C. Berry wrote:

> On Thu, 21 Apr 2016, Vikas Rawal wrote:
>
>> 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
>> 
>
> I think this is an issue with having different version of ESS on your local 
> and remote systems.
>

OOPS!

The `different versions' issue affected my setup. But after 
correcting it, I still get the error you cited above.

Not sure exactly where the fault lies.

Chuck