Re: [Rd] Require of gWidgetsRGtk2 fails: RGtk2.dll can't be found, but it's there

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Fri, 10 Jun 2011 13:36:29 +0100 (BST)

It is a Microsoft error message, so your Windows is translating it, not R. It does say 'The specified module' in English Windows, without saying who specified the module (but it does often produce a popup naming the module).

I've no better idea what your problem is: the @ReadMe instructions work for me, Uwe on winbuilder and in our teaching lab (and the advice in RGtk2 does not).

On Fri, 10 Jun 2011, Janko Thyson wrote:

> On 10.06.2011 13:18, Prof Brian Ripley wrote:
> On Fri, 10 Jun 2011, Janko Thyson wrote:
>
> Dear list,
>
> I've been trying to get gWidgets/gWidgetsRGtk2 to run
> every other month for a while, but somehow I simply can't
> figure out what's going wrong.
>
>
> Your subject line indicates your confusion.  It does not say
> RGtk2.dll cannot be found (at least, the English version of the
> message does not say so).
>
> What it means is that RGtk2.dll or one of the DLLs it depends on
> cannot be found.  See the instructions at
> http://cran.r-project.org/bin/windows/contrib/2.13/@ReadMe
>
> It is Microsoft's error message, not ours.
>
>
> Thanks for your answer. I followed the advice in the readme file and installed
>
> http://ftp.gnome.org/pub/gnome/binaries/win32/gtk+/2.22/gtk+-bundle_2.22.0-201010
> 16_win32.zip
> Previously I made sure that all other previously installed GTK+ runtime
> environments were removed and that the windows PATH reflects the correct path to
> the "new" GTK+ files. I also made sure I started a new R session before trying
> 'require(gWidgetsRGtk2)' again. Yet, the same error. More precisely, a dialog box
> pops up asking me to install GTK+ or not. That's what's confusing me as well: the
> package's recommendation with respect to the version of an GTK+ runtime
> environment is somewhat out-of-sync with the advice in the readme, even though it
> the version is fairly recent (2011-04-30)
>
> Sorry for the german part in the error message, but I wasn't able to get it all
> to English (tried language = en in Rconsole file, setting up a Renviron.site with
> LANGUAGE=en, setting Sys.setenv("LANGUAGE"="en") and Sys.setenv("LC_ALL"="en") to
> no avail; not a good R day today ;-)). I freely translated it for you:
>
> Loading required package: gWidgetsRGtk2
> Loading required package: gWidgets
> Error in inDL(x, as.logical(local), as.logical(now), ...) :
>  unable to load shared object
> 'R:/Apps/R/R-2.13.0/library/RGtk2/libs/i386/RGtk2.dll':
>  LoadLibrary failure:  the specified module could not be found.
>
> Failed to load RGtk2 dynamic library, attempting to install it.
> Learn more about GTK+ at http://www.gtk.org
> If the package still does not load, please ensure that GTK+ is installed and that
> it is on your PATH environment variable
> IN ANY CASE, RESTART R BEFORE TRYING TO LOAD THE PACKAGE AGAIN
> Error : .onAttach failed in attachNamespace() for 'gWidgetsRGtk2', details:
>  call: .Call(name, ..., PACKAGE = PACKAGE)
>  error: C symbol name "S_gtk_icon_factory_new" not in DLL for package "RGtk2"
>
> Do you have any other idea what I might be doing wrong?
>
> Regards,
> Janko
>
>
>
> I tried several distributions of the GTK runtime
> environment for Windows
> (http://downloads.sourceforge.net/gladewin32/gtk-2.12.9-win32-1.exe
> as described in the package's vignette,http://ftp.gnome.org/pub/gnome/binaries/win32/gtk+/2.22/gtk+-bundle_2.22.1-20101
> 227_win32.zip)
>
> I also included GTK in my Windows PATH.
>
> Yet, when I run 'require(gWidgetsRGtk2)', R complains
> that the RGtk2.dll can't be found/loaded (see below). But
> this file definitely exists. I'm running R-2.13.0 from a
> USB Device but made sure that args 'destdir' and 'lib'
> are set propperly in 'install.packages'.
>
> Loading required package: gWidgetsRGtk2
> Loading required package: gWidgets
> Error in inDL(x, as.logical(local), as.logical(now), ...)
> :
>  unable to load shared object
> 'R:/Apps/R/R-2.13.0/library/RGtk2/libs/i386/RGtk2.dll':
>  LoadLibrary failure:  Das angegebene Modul wurde nicht
> gefunden.
>
> Failed to load RGtk2 dynamic library, attempting to
> install it.
> Learn more about GTK+ at http://www.gtk.org
> If the package still does not load, please ensure that
> GTK+ is installed and that it is on your PATH environment
> variable
> IN ANY CASE, RESTART R BEFORE TRYING TO LOAD THE PACKAGE
> AGAIN
> Error : .onAttach failed in attachNamespace() for
> 'gWidgetsRGtk2', details:
>  call: .Call(name, ..., PACKAGE = PACKAGE)
>  error: C symbol name "S_gtk_icon_factory_new" not in DLL
> for package "RGtk2"
>
> Best regards,
> Janko
>
> R version 2.13.0 (2011-04-13)
> Platform: i386-pc-mingw32/i386 (32-bit)
>
> locale:
> [1] LC_COLLATE=German_Germany.1252 
> LC_CTYPE=German_Germany.1252
> [3] LC_MONETARY=German_Germany.1252 LC_NUMERIC=C
> [5] LC_TIME=German_Germany.1252
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets 
> methods   base
>
> other attached packages:
> [1] gWidgets_0.0-44
>
> loaded via a namespace (and not attached):
> [1] gWidgetsRGtk2_0.0-74 RGtk2_2.20.12       
> tools_2.13.0
>
>
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>
>
>
>
> --
>
> _________________________________________________________________________________
>
> Janko Thyson
> janko.thyson_at_googlemail.com
>
> Jesuitenstraße 3
> D-85049 Ingolstadt
>
> Mobile: +49 (0)176 83294257
>
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-- 
Brian D. Ripley,                  ripley_at_stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595


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