[R-pkg-devel] How to remove rJava from Ecfun when it's not called directly or indirectly

[Enrico Schumann]

On Sat, 10 Oct 2020, Spencer Graves writes:

> Hello, All:
>
>
> 	  "R CMD check Ecfun_0.2-4.tar.gz" fails under
> Windows 10 with "Error: package or namespace load
> failed for 'Ecfun': .onLoad failed in loadNamespace()
> for 'rJava'".
>
>
> 	  However, I cannot find where Ecfun calls rJava.  This is in:
>
>
> https://github.com/sbgraves237/Ecfun
>
> 	
> 	  I get nothing from "grep 'rJava'" in the
> DESCRIPTION and NAMESPACE files plus in the man and R
> subdirectories.  I ran tools:package_dependencies
> recursively starting with Ecfun until I got all NULLs
> and could not find rJava anywhere.
>
>
> 	  Thanks,
> 	  Spencer Graves
>
>
> 00install.out
>
>
> * installing *source* package 'Ecfun' ...
> ** using staged installation
> ** R
> ** inst
> ** byte-compile and prepare package for lazy loading
> ** help
> *** installing help indices
> ** building package indices
> ** installing vignettes
> ** testing if installed package can be loaded from temporary location
> *** arch - i386
> Error: package or namespace load failed for 'Ecfun':
>  .onLoad failed in loadNamespace() for 'rJava', details:
>   call: inDL(x, as.logical(local), as.logical(now), ...)
>   error: unable to load shared object 'C:/Program
> Files/R/R-4.0.2/library/rJava/libs/i386/rJava.dll':
>   LoadLibrary failure:  %1 is not a valid Win32 application.
>
> Error: loading failed
> Execution halted
> *** arch - x64
> ERROR: loading failed for 'i386'
> * removing 'C:/Users/spenc/Documents/R/Ecfun/Ecfun.Rcheck/Ecfun'
>
>
> 00check.log
>
>
> * using log directory 'C:/Users/spenc/Documents/R/Ecfun/Ecfun.Rcheck'
> * using R version 4.0.2 (2020-06-22)
> * using platform: x86_64-w64-mingw32 (64-bit)
> * using session charset: ISO8859-1
> * checking for file 'Ecfun/DESCRIPTION' ... OK
> * this is package 'Ecfun' version '0.2-4'
> * checking package namespace information ... OK
> * checking package dependencies ... OK
> * checking if this is a source package ... OK
> * checking if there is a namespace ... OK
> * checking for executable files ... OK
> * checking for hidden files and directories ... OK
> * checking for portable file names ... OK
> * checking whether package 'Ecfun' can be installed ... ERROR
> Installation failed.
> See
> 'C:/Users/spenc/Documents/R/Ecfun/Ecfun.Rcheck/00install.out'
> for details.
> * DONE
> Status: 1 ERROR
>

Hello Spencer

Just a wild guess: the CRAN version of your package
does not list 'xlsx'; but your GitHub version does.
Now, 'xlsx' depends on 'rJava'.  So perhaps start there?

As I said, only a wild guess; but maybe it helps.

Kind regards
    Enrico

-- 
Enrico Schumann
Lucerne, Switzerland
http://enricoschumann.net