Dear friends,
I have a strange situation that shows up only on F32 (only linux distributions
tried) but does not show up on Windoze or Muck. The way to illustrate this is
rather complicated, so I will first summarize.
For my introductory students, I use a java-based front-end to R called Deducer.
I am able to install without a hitch and even bring it up and run some
functions and graphical displays. However, when I ask it to do a few specific
functions, the windows all come crashing down. So, my question is: how do I
figure out the source of the problem? I have used this program for years, and
including last spring under F31, and linux has never been an issue. This has
been tried on three F32 machines by me and a former student and all have
resulted in crashes. Embarrasingly, these continue to work as expected with
Windows and MacOS, though installation, especially for the latter is a pain.
How can I get error messages out of this mishap to file a meaningful and
targeted bug report?
Any suggestions?
Ranjan
If you are interested, here is how I go about installing Deducer. I need R-core
installed, as well as curl-devel, and of course java. Other fedora packages may
also be needed.
sudo dnf install R-devel curl-devel java-1.8.0-openjdk-devel
then:
sudo R
install.packages(c('JGR','Deducer'))
q()
Note that the second line will ask for which repo to use, and any are fine, the
first one is from rstudio.com. Also, the installation function may ask for more
libraries to be installed.
Once installed, go to R and inside R, type:
library(JGR)
library(Deducer)
JGR()
The last function call will open a graphical interface with a jaguar logo
(pretty cool). All is well. In the bottom window type:
data(cars)
Then go to the graphical interface above, and under "Plots" -> "Quick" ->
"simple boxplot"
This opens a window, and put speed as x variable and run.
A window begins to open and the entire window system running JGR comes crashing
down.
Btw, since I know the commands to give in R, on the commandline, when I call
the function, things work as expected. It is only on the JGR() window that it
crashes.
The worst part? I get no error messages. So, how can I get error messages out
of this mishap to file a meaningful and targeted bug report?
Many thanks and best wishes,
Ranjan
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