You don't really provide enough information like
 R.Version()

but my guess is that you are running 64-bit R either directly or through R Studio but that you have only 32-bit Java installed. I am doing fine on Windows with Java 7 update 45 but had some 64-bit run issues with only Java 7 update 40 64-bit JDK.

HTH,
Rob


On 12/8/2013 8:03 AM, Tolga Uzuner wrote:
Dear R Users
Have run into a problem with the rJava package recently. I do not seem to be able to load the package. I am on R 3.0.2 and updated the rJava package this morning from the Pennsylvania mirrors. I get the following error:

----
package ‘mnormt’ successfully unpacked and MD5 sums checked
package ‘rJava’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
C:\Users\t_uzu_000\AppData\Local\Temp\RtmpOC9zec\downloaded_packages
> library(rJava)
Error in get(Info[i, 1], envir = env) :
cannot allocate memory block of size 2.8 Gb
Error: package or namespace load failed for ‘rJava’
>
----

Any pointers ?

Thanks in advance

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