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

From: Janko Thyson <janko.thyson.rstuff_at_googlemail.com>
Date: Tue, 14 Jun 2011 09:27:08 +0200

Thanks Tony,

that's something John Verzani suggested to me as well. I don't think there is any other version on my PATH as I usually try to be pretty rigid about updating it both ways (installing new stuff, getting rid of old stuff), but he suggested that there might be older versions of a GTK2 installation floating around my system somewhere.

Thanks a lot for the pointer!
Janko

On 12.06.2011 16:57, Tony Plate wrote:
> I also had frustrations trying to use libary RGtk2 under Windows XP.
>
> I kept getting the message
> "unable to load shared object
> C:\R\site-library\RGtk2\libs\i386\RGtk2.dll"
> even though it was on my path.
>
> Uninstalling and reinstalling various versions of GTK2, both through R
> and outside R, many times, including rebooting Windows, did not help.
>
> With the help of some comments on R-help (Neil Rice, Mar 7, 2011), I
> found that
> there was another conflicting version of zlib1.dll in a directory on
> my PATH.
> Removing that directory from the path (inside R) fixed the problem and
> I am able
> to run RGtk2 now.
>
> Here's an R expression to look for copies of the various DLLs that
> GTK2 uses (change "c:/GTK2-Runtime/bin/" to be appropriate for your
> system):
>
> > for (dll in list.files("c:/GTK2-Runtime/bin/", pattern="*.dll$"))
> print(with(list(x=file.path(strsplit(Sys.getenv("PATH"), ";")[[1]],
> dll)), x[file.exists(x)]))
> [1] "C:\\GTK2-Runtime\\bin/freetype6.dll"
> [1] "C:\\GTK2-Runtime\\bin/intl.dll"
> [1] "C:\\GTK2-Runtime\\bin/libatk-1.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libcairo-2.dll"
> [1] "C:\\GTK2-Runtime\\bin/libcairo-gobject-2.dll"
> [1] "C:\\GTK2-Runtime\\bin/libcairo-script-interpreter-2.dll"
> [1] "C:\\GTK2-Runtime\\bin/libexpat-1.dll"
> [1] "C:\\GTK2-Runtime\\bin/libfontconfig-1.dll"
> [1] "C:\\GTK2-Runtime\\bin/libgailutil-18.dll"
> [1] "C:\\GTK2-Runtime\\bin/libgdk-win32-2.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libgdk_pixbuf-2.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libgio-2.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libglib-2.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libgmodule-2.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libgobject-2.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libgthread-2.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libgtk-win32-2.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libpango-1.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libpangocairo-1.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libpangoft2-1.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libpangowin32-1.0-0.dll"
> [1] "C:\\GTK2-Runtime\\bin/libpng14-14.dll"
> [1] "C:\\GTK2-Runtime\\bin/zlib1.dll"
> >
>
> If there are any lines beginning with [2] in the output, there are
> multiple
> versions of DLLs and these are potential problems (check that either the
> DLLs are the same version, or that the GTK2 version is ahead on the path).
>
> Note that is is not sufficient that the GTK2 library is on the path --
> it has
> to be ahead of other path components that have conflicting DLLs.
>
>
> On 6/11/2011 8:59 PM, Michael Lawrence wrote:
>> I'm working on a mechanism that will download GTK+ (the official zip files)
>> into a predetermined location and put that location in front of the other
>> paths at load time. Hopefully this will resolve these continuing issues.
>>
>> Michael
>>
>> On Fri, Jun 10, 2011 at 6:07 AM, Janko Thyson<
>> janko.thyson.rstuff_at_googlemail.com> wrote:
>>
>>> Okay, at least some positive result today (language issue ;-))
>>>
>>> Thanks for trying. Seems like GTK2 and me are not meant to be ...
>>>
>>> Regards,
>>> Janko
>>>
>>>
>>> On 10.06.2011 14:36, Prof Brian Ripley wrote:
>>>
>>>> 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+ athttp://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+ athttp://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
>>>>>
>>>>>
>>>>> ______________________________________________
>>>>> R-devel_at_r-project.org mailing list
>>>>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> _________________________________________________________________________________
>>>>>
>>>>>
>>>>> Janko Thyson
>>>>> janko.thyson_at_googlemail.com
>>>>>
>>>>> Jesuitenstraße 3
>>>>> D-85049 Ingolstadt
>>>>>
>>>>> Mobile: +49 (0)176 83294257
>>>>>
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>>>>>
>>>>>
>>>>>
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>>
>>
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-- 
------------------------------------------------------------------------

*Janko Thyson*
janko.thyson_at_googlemail.com <mailto:janko.thyson_at_googlemail.com>

Jesuitenstraße 3
D-85049 Ingolstadt

Mobile: +49 (0)176 83294257

This e-mail and any attachment is for authorized use by the intended
recipient(s) only. It may contain proprietary material, confidential
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