rJava works with 32-bit but not 64

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