Hi Henrik, 2014ko urriak 8an, Henrik Singmann-ek idatzi zuen: > > I unfortunately can confirm that org-babel-R-initiate-session contains > the lines you mentioned at exactly 15 lines down. Deleting ob-R.elc > (which was of the same date as ob-R.el) didn't affect anything as did > reloading org uncompiled (C-u C-c C-x !).
I could reproduce this, also with recent git org and ESS. It looks like ESS is doing more complicated things, necessitating a more thorough check that the session is in fact ready. Can you test the attached patch? It fixed the problem for me.
>From b91526d932728749609b27809eecb588c04e1a1e Mon Sep 17 00:00:00 2001 From: Aaron Ecay <aarone...@gmail.com> Date: Fri, 10 Oct 2014 00:35:41 -0400 Subject: [PATCH] ob-R: fix interaction with ESS for new sessions * lisp/ob-R.el (org-babel-R-initiate-session): Properly wait on a new ESS process. --- lisp/ob-R.el | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/lisp/ob-R.el b/lisp/ob-R.el index ea33031..5d5006f 100644 --- a/lisp/ob-R.el +++ b/lisp/ob-R.el @@ -265,9 +265,10 @@ This function is called by `org-babel-execute-src-block'." ;; Session buffer exists, but with dead process (set-buffer session)) (require 'ess) (R) - (ess-wait-for-process - (get-process (or ess-local-process-name - ess-current-process-name))) + (let ((R-proc (get-process (or ess-local-process-name + ess-current-process-name)))) + (while (process-get R-proc 'callbacks) + (ess-wait-for-process R-proc))) (rename-buffer (if (bufferp session) (buffer-name session) -- 2.1.2
Thanks, -- Aaron Ecay
