[R] Can rJava connect with Oracle JDK7 on Mac OS X?

[Brian Ripley]

This is all in the R-admin manual. You may have to install rJava from the sources.

And such questions belong on r-sig-mac: see the posting guide.


> On 9 Mar 2014, at 11:32, Osamu Ogasawara <osamu.ogasawara at gmail.com> wrote:
> 
> Hello,
> I'm writing a program that provide an interactive interface between R and JavaFX (2.2+),
> https://github.com/oogasawa/rjfx.chart
> on the top of the rJava package.
> This program works fine on Linux and MS-Windows, but it does not work on Mac OS X.
> The reason seems that rJava on Mac OS X ignores JAVA_HOME environment variable,
> and uses JDK distributed by Appele (now it's version is 1.6).
> 
> Since JavaFX (2.2+) requires JDK7 or higher, this means that program can not run on OS X.
> Does someone knows how to get around this?
> 
> I have installed JDK7u51 from Oracle Web site:
> (MacBook Pro, OS X 10.9)
> 
> $ env | grep JAVA_HOME
> JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_51.jdk/Contents/Home
> 
> $ java -version
> java version "1.7.0_51"
> Java(TM) SE Runtime Environment (build 1.7.0_51-b13)
> Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)
> 
> However, when I install the program (rjfx.chart),
> R required to install JDK6 and the result is as follows:
> 
>> library("rJava")
>> .jinit()
>> s=.jnew("java/lang/System")
>> .jcall(s, "Ljava/lang/String;", "getProperty", "java.version")
> [1] "1.6.0_65"
> 
> I would like to appreciate any comments and suggestions.
> 
> Sincerely,
> Osamu Ogasawara
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