[R] XLConnect Error

[Uwe Ligges]

On 27.06.2011 20:48, wwreith wrote:
> Any ideas of what is happening when I attempt to load XLConnect? I think I
> installed everything correctly. I posted what I get when I installed rJava
> as well as when I attempted to load rJava directly. Thanks in advance for
> any help you can give on this.
>
> library(XLConnect)
> Loading required package: XLConnectJars
> Loading required package: rJava
> Error : .onLoad failed in loadNamespace() for 'rJava', details:
>    call: fun(...)
>    error: JAVA_HOME cannot be found from the Registry
> Error: package 'rJava' could not be loaded
>
> This is the mesage I get when I install rjava:
>
> Installing package(s) into ‘C:/Users/550062/Documents/R/win-library/2.13’
> (as ‘lib’ is unspecified)
> trying URL
> 'http://cran.opensourceresources.org/bin/windows/contrib/2.13/rJava_0.9-0.zip'
> Content type 'application/zip' length 654181 bytes (638 Kb)
> opened URL
> downloaded 638 Kb
>
> package 'rJava' successfully unpacked and MD5 sums checked
>
> The downloaded packages are in
> 	C:\Users\550062\AppData\Local\Temp\RtmppIjwgg\downloaded_packages
>
> If I try loading rJava directly I get the samer error as XLConnect:
>
>> library(rJava)
> Error : .onLoad failed in loadNamespace() for 'rJava', details:
>    call: fun(...)
>    error: JAVA_HOME cannot be found from the Registry
> Error: package/namespace load failed for 'rJava


Obvious question is: Do you have Java installed? Is this 32- or 64-bit 
R? And Java? The other output suggests we are talking about Windows 7 as 
the OS?

Quoting the footer:
 > PLEASE do read the posting guide 
http://www.R-project.org/posting-guide.html

Uwe Ligges



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