On Feb 4, 2013, at 6:33 AM, Spencer Graves wrote: > On 2/3/2013 11:21 PM, Pascal Oettli wrote: >> Hello, >> >> Do you have a 64-bit version of Java? >> >> rJava says to you: >> call: stop("No CurrentVersion entry in '", key, "'! Try re-installing Java >> and make sure R and Java have matching architectures.") > > > I think I probably have a 32-bit version and not a 64-bit, because it > works with 32-bit R but not 64-bit R. > > > Is it feasible to have both installed in a way that allows the each > version of R to select its own version of Java?
Yes, that is the default. 32-bit R will only see 32-bit Java and vice versa, because Windows separates 32-bit and 64-bit registries. > A comment on stackoverflow suggests that may not be easy > (http://stackoverflow.com/questions/5272216/is-it-possible-to-install-both-32bit-and-64bit-java-on-windows-7). > > Ehm, it says "Yes, it is absolutely no problem. " -- which part of it suggests it's not easy? SO is a good source of rumors, seldom facts -- but in this case it's not too far from the truth. Cheers, Simon > > Thanks, > Spencer > >> >> Regards, >> Pascal >> >> >> Le 04/02/2013 14:27, Spencer Graves a écrit : >>> Hello: >>> >>> >>> rJava works for me under 32-bit but under not 64-bit R; see below. >>> >>> >>> Suggestions? >>> Thanks, >>> Spencer >>> >>> >>> > library(rJava) >>> Error : .onLoad failed in loadNamespace() for 'rJava', details: >>> call: stop("No CurrentVersion entry in '", key, "'! Try re-installing >>> Java and make sure R and Java have matching architectures.") >>> error: object 'key' not found >>> Error: package/namespace load failed for 'rJava' >>> > sessionInfo() >>> R version 2.15.2 (2012-10-26) >>> Platform: x86_64-w64-mingw32/x64 (64-bit) >>> >>> locale: >>> [1] LC_COLLATE=English_United States.1252 >>> [2] LC_CTYPE=English_United States.1252 >>> [3] LC_MONETARY=English_United States.1252 >>> [4] LC_NUMERIC=C >>> [5] LC_TIME=English_United States.1252 >>> >>> attached base packages: >>> [1] stats graphics grDevices utils datasets methods base >>> > >>> >>> ########################## >>> >>> >>> > library(rJava) >>> > sessionInfo() >>> R version 2.15.2 (2012-10-26) >>> Platform: i386-w64-mingw32/i386 (32-bit) >>> >>> locale: >>> [1] LC_COLLATE=English_United States.1252 >>> [2] LC_CTYPE=English_United States.1252 >>> [3] LC_MONETARY=English_United States.1252 >>> [4] LC_NUMERIC=C >>> [5] LC_TIME=English_United States.1252 >>> >>> attached base packages: >>> [1] stats graphics grDevices utils datasets methods base >>> >>> other attached packages: >>> [1] rJava_0.9-3 >>> >>> > > > -- > Spencer Graves, PE, PhD > President and Chief Technology Officer > Structure Inspection and Monitoring, Inc. > 751 Emerson Ct. > San José, CA 95126 > ph: 408-655-4567 > web: www.structuremonitoring.com > > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.