[R] Problem with loading rJava in R

Rowe, Brian Lee Yung (Portfolio Analytics) B_Rowe at ml.com
Thu Feb 12 16:17:40 CET 2009

Did you verify that all your apps/libraries are all 64-bit compatible?
If your dll indeed exists in the directory it complains about, I would
venture that it's a mismatch between 32-bit and 64-bit libraries (R,
rJava, Java).


-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On Behalf Of charis
Sent: Wednesday, February 11, 2009 8:40 PM
To: r-help at r-project.org
Subject: [R] Problem with loading rJava in R


I am trying to load the rJava package in R-2.7.2 (Windows XP 64-bit
and get the following error message even though the mentioned .dll file
located at the directory listed in the error message. I have tried to
uninstall and reinstall the package but that does not resolve the
Then uninstallation and re-installation of R did not resolve the issue
either. Any suggestions are appreciated. charis.

<R Console>
> library(rJava)
Error in inDL(x, as.logical(local), as.logical(now), ...) : 
  unable to load shared library
  LoadLibrary failure:  The specified module could not be found.

Error : .onLoad failed in 'loadNamespace' for 'rJava'
Error: package/namespace load failed for 'rJava'

> sessionInfo()
R version 2.7.2 (2008-11-24) 

LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252

attached base packages:
[1] stats     graphics  grDevices datasets  tcltk     utils     methods


other attached packages:
[1] Matrix_0.999375-17 lattice_0.17-17    filehash_2.0
TinnR_1.0.2        R2HTML_1.59        Hmisc_3.4-4        RProbase_0.1-0

loaded via a namespace (and not attached):
[1] cluster_1.11.11 grid_2.7.2      svMisc_0.9-5    tools_2.7.2
</R Console>
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