Yes i have the jdk.  But I just stumbled on part of the problem (I have a 
feeling i know have to wrestle with 32-bit versus 64-bit versions).

I accidently gave the command:

> R CMD javareconf

without the sudo and the paths were being set correctly to the java 1.7 
machine, but of course without permissions it would not overwrite the settings. 
 I then instead did:

> su
> export JAVA_HOME=`/usr/libexec/java_home -v 1.7`
> R CMD javareconf

That then echoed what I expected.  Okay, so my question is I have been running 
R not R64.  To use rJava, JGR  etc do I need to run R64 and just install the 
binary or build from source?  because even though now my paths are set 
correctly, iplots is still unhappy, and won't build either, because the 
compiler is trying to do 64-bits in a 32-bit program.

Thanks for any help.

-Roy

On Dec 28, 2012, at 4:35 PM, Marc Schwartz <[email protected]> wrote:

> Roy,
> 
> Did you install the 1.7 JRE only, or did you also install the JDK?  
> 
> If you did not also install the JDK, I believe that you need to do so. It is 
> available here:
> 
>  
> http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
> 
> Install that and then run the full javareconf command as I had in my reply 
> below.
> 
> Regards,
> 
> Marc
> 
> On Dec 28, 2012, at 6:11 PM, Roy Mendelssohn - NOAA Federal 
> <[email protected]> wrote:
> 
>> Thanks.  But I am still stuck.  No matter which command I give, I  get the 
>> following:
>> 
>>> sudo R CMD javareconf
>>> Password:
>>> Java interpreter : /usr/bin/java
>>> Java version     : 1.6.0_29
>>> Java home path   : 
>>> /Library/Java/JavaVirtualMachines/1.6.0_29-b11-402.jdk/Contents/Home
>>> Java compiler    : /usr/bin/javac
>>> Java headers gen.: /usr/bin/javah
>>> Java archive tool: /usr/bin/jar
>>> Java library path: 
>>> JNI linker flags : -framework JavaVM
>>> JNI cpp flags    : -I$(JAVA_HOME)/include
>>> 
>> 
>> Note the Java home path.  But when I  do the following:
>> 
>>> bash-$ which java
>>> /usr/bin/java
>>> bash-$ java -version
>>> java version "1.7.0_06"
>>> Java(TM) SE Runtime Environment (build 1.7.0_06-b24)
>>> Java HotSpot(TM) 64-Bit Server VM (build 23.2-b09, mixed mode)
>>> 
>> 
>> So where is ti getting that the home path is to 
>> /Library/Java/JavaVirtualMachines/1.6.0_29-b11-402.jdk/Contents/Home?  Is 
>> there a file that I can hand edit to give R the correct values?
>> 
>> Thanks.
>> 
>> -Roy M.
>> On Dec 28, 2012, at 1:28 PM, Marc Schwartz <[email protected]> wro
>> 
>>> On Dec 28, 2012, at 3:05 PM, peter dalgaard <[email protected]> wrote:
>>> 
>>>> 
>>>> On Dec 28, 2012, at 20:40 , Roy Mendelssohn - NOAA Federal wrote:
>>>> 
>>>>> Hi All:
>>>>> 
>>>>> I recently upgraded my computer to 10.8.2, and my Java is now java 1.7 
>>>>> from Oracle.  I am running R 2.15.2, and now rjava and JGR don't work 
>>>>> because what appears to be a problem with ipot.  I tried reinstalling 
>>>>> rjava and got the following:
>>>> 
>>>> I can't remember this kind of stuff form one occasion to the next either, 
>>>> but wouldn't it be something with "sudo R CMD javareconf" ?
>>> 
>>> 
>>> 
>>> For Mountain Lion, it should be:
>>> 
>>> sudo R CMD javareconf 
>>> JAVA_CPPFLAGS=-I/System/Library/Frameworks/JavaVM.framework/Headers
>>> 
>>> Regards,
>>> 
>>> Marc Schwartz
> 

**********************
"The contents of this message do not reflect any position of the U.S. 
Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097

e-mail: [email protected] (Note new e-mail address)
voice: (831)-648-9029
fax: (831)-648-8440
www: http://www.pfeg.noaa.gov/

"Old age and treachery will overcome youth and skill."
"From those who have been given much, much will be expected" 
"the arc of the moral universe is long, but it bends toward justice" -MLK Jr.

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