[Rd] rscproxy version conflict

Erich Neuwirth erich.neuwirth at univie.ac.at
Mon Dec 22 21:30:42 CET 2008


We found out about this problem only a few days ago.
The reason is that the official binary packages were compiled with
2.8.1, but the distributed Windows binary of R was still 2.8.0.
rscproxy needs to be compiled for the correct version of R.
Now with R 2.8.1 being release officially the problem should disappear,
but we (which is mostly Thomas Baier, the mastermind behind rcom and
R(D)COM server) will try to find a way to avoid this problem with the
next R update.

Before R 2.8.0, rproxy.dll distributed with R itself was
supplying the underlying mechanism for the rcom package and R(D)COM
server. rproxy.dll was removed from R itself, and rscproxy is the
current substitute. rproxy.dll, being part of R itself, always matched
the R version to the very last digit. With rscproxy, it is more
difficult to stay in sync.




meerman wrote:
> After installing the package 'rscproxy' downloaded from the CRAN server, I
> get the following error message from R 2.8.0 about a version conflict :
> 
>  
> 
>  
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> package 'rscproxy' successfully unpacked and MD5 sums checked
> 
>   
> 
> The downloaded packages are in
> 
>          C:\Documents and Settings\John Meerman\Local 
> 
> Settings\Temp\RtmpbK9mxN\downloaded_packages
> 
> updating HTML package descriptions
> 
>> local({pkg <- select.list(sort(.packages(all.available = TRUE)))
> 
>  + if(nchar(pkg)) library(pkg, character.only=TRUE)})
> 
>  *Warning message:
> 
>  package 'rscproxy' was built under R version 2.8.1 *>
> 
>  
> 
> This prevents me e.g. to use the R (D)COM 3.0 server.
> 
>  
> 
>  
> 
>  
> 
>  
> 
> John Meerman
> 
>  
> 
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
Erich Neuwirth, University of Vienna
Faculty of Computer Science
Computer Supported Didactics Working Group
Visit our SunSITE at http://sunsite.univie.ac.at
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