[rkward] [Bug 393309] New: Error message: R engine has died

[Thierry Thomas]

https://bugs.kde.org/show_bug.cgi?id=393309

            Bug ID: 393309
           Summary: Error message: R engine has died
           Product: rkward
           Version: unspecified
          Platform: FreeBSD Ports
                OS: FreeBSD
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: rkward-devel at kde.org
          Reporter: thierry at FreeBSD.org
  Target Milestone: ---

---Problem description---
I'm trying to upgrade the FreeBSD port of RKWard to 0.7.0b. No problem during
compilation, but when I launch rkward, the message "R engine has died" is
displayed, and the application is not usable.

When you try to repeat the above, does the problem occur again (no, sometimes,
always)?
Always

If applicable: When doing the same thing in an R session outside of RKWard, do
you see the same problem?
No, R sessions are OK.

Do you have any further information that might help us to track this problem
down? In particular, if applicable, can you provide sample data and sample R
code to reproduce this problem?
No code used, it's just at the beginning.

RKWard is available in many different packagings, and sometimes problems are
specific to one method of installation. How did you install RKWard (which
file(s) did you download)?
Built with cmake.
Important note: R version is 3.4.4 (2018-03-15) -- "Someone to Lean On"

Is it supported by RKWard?

---Error Message---
Message code: r_engine_has_died
The backend executable could not be found. This is likely to be a problem with
your installation.
The R backend will be shut down immediately. This means, you can not use any
more functions that rely on it. I.e. you can do hardly anything at all, not
even save the workspace (but if you're lucky, R already did that). What you can
do, however, is save any open command-files, the output, or copy data out of
open data editors. Quit RKWard after that. Sorry!

---Session Info---
RKWard version: 0.7.0b
KDE Frameworks version (runtime): 5.44.0
KDE Frameworks version (compile time): 5.44.0
Qt version (runtime): 5.9.4
Local config directory: /home/thierry/.config
RKWard storage directory: /home/thierry/.rkward/
Backend version (as known to the frontend): 

Debug message file (this may contain relevant diagnostic output in case of
trouble):
/tmp/rkward.frontend
- backend not available or rk.sessionInfo() canceled -

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